Longing is a profound emotional state rooted in human incompleteness, bridging desire, loss, imagination, and identity. Drawing from psychology, neurobiology, and psychoanalysis, this essay explores longing as both symptom and signal — an engine of suffering, creativity, development, and, ultimately, self-understanding.

KEY POINTS:

• Longing is a complex, bittersweet emotional state involving desire for what is absent, unattainable, or idealized; longing is deeply tied to the existential recognition of human incompleteness.
• Its temporal structure spans the past, present, and future simultaneously, integrating nostalgia, dissatisfaction, and hope into a single emotional experience.
• In romantic relationships, longing manifests in unrequited love, emotional distance within partnerships, and post-breakup idealization, often re-enacting early attachment wounds.
• Neurobiologically, longing activates reward and attachment circuitry, explaining its addictive intensity and its persistence even when the desired object is gone.
• Psychoanalytic theory views longing as structurally tied to desire, the lost object, and early failures of attunement, showing how longing shapes our inner worlds, fantasies, and relational patterns.
• Longing becomes problematic when fused with avoidance, shame, or repetition, leading to stagnation, obsession, and self-sabotage.
• Psychotherapy aims not to eliminate longing but to transform it, helping clients articulate, interpret, mourn, and integrate their longing into meaningful psychological growth.

Part I: Introduction: What Longing Reveals About the Self

Few emotions reveal the fundamental nature of the human condition as vividly as longing. It is an emotion that defies simple categorization, residing in the space between profound sorrow and boundless hope.

Longing is more than a casual wish; it is a sustained, complex emotional state, an insistent signal from the self that marks an essential, often unarticulated, absence. It represents the bittersweet recognition of something precious that is either remote, unattainable, irrevocably lost, or existing only as an idealized, alternative reality.

Historically, longing has been the muse for virtually all major artistic movements, particularly Romanticism. The German concept of Sehnsucht, which translates to “life longings” or “ardent yearning,” is deeply rooted in Romantic-era philosophy and has been operationalized in psychological research (Baltes & Staudinger, 2008). Researchers define Sehnsucht as intense desires for ideal states of life that are remote or unattainable, reflecting an individual’s ongoing struggle to cope with loss, disappointment, and unrealizable wishes.

Existential philosophers describe longing as a necessary counterpart to human freedom. Sartre (1956) famously argued that humans are “condemned to be free” because we must choose our existence. This freedom generates anxiety and a persistent ache for something more.

Modern culture — saturated with instant gratification — often pathologizes longing. Yet longing remains one of the primary engines of creativity, development, and spiritual growth.

This article explores longing as an expression of the fundamental paradox of human incompleteness and our drive toward fulfillment.  Our exploration will address the following topics:

• Characteristics of longing and its main features
• The bittersweet quality of longing
• Longing in romantic relationships
• The neurobiology of longing
• Psychoanalytic perspectives on longing
• How psychotherapy approaches longing

Part II: The Nature of Longing  

Longing is often described in the following ways (Boesch & Schoch, 2014):

• a desire for something absent or lost
• a painful emotional state marked by unattainability
• a yearning for an alternative reality
• a striving for fulfillment that cannot be attained

Scholars note that longing forms a cognitive-emotional structure organized around hope and fantasy (Ravicz, 2011).

Longing is not satisfied by attaining any single wish because its ultimate referent is an internal state of imagined completeness. Its characteristics include:

1. Utopian Conceptions of Ideal Development: Longing involves a concrete, yet idealized, vision of an alternative, optimal life reality. This is not mere fantasizing but a structured imagination of what could have been or could be (Baltes & Staudinger, 2008).
2. Sense of Incompleteness and Imperfection: The core emotional driver is a palpable feeling that the current state of life is flawed, lacking an essential element, or “not enough.”
3. Conjoint Time Focus: Longing operates across past, present, and future temporal perspectives simultaneously. It integrates a nostalgic view of the past with a dissatisfaction with the present, all directed toward a hopeful future ideal (Ravicz, 2011).
4. Ambivalent (Bittersweet) Emotions: Longing is a mixture of negative emotions (sadness, grief, pain of separation) and positive ones (hope, inspiration, anticipation, awe). This emotional complexity distinguishes it from depression or simple sadness.
5. Reflection and Evaluation of One’s Life: Longing is a cognitive catalyst. It forces the individual to engage in a profound self-reflection, evaluating life choices, perceived failures, and ultimate meaning.

Longing is not simply nostalgia; it spans time (Ravicz, 2011):

• Past: It evokes nostalgic or idealized memories of peak experiences or moments of perceived perfection.

• Present: It registers a keen awareness of the imperfection of one’s current reality.
• Future: It constructs “utopian conceptions” of an ideal, wished-for reality.

Finally, the function of longing shifts across the lifespan. In early adulthood, it is often tied to career, partnership, and identity formation (e.g., longing for a specific life path). In later life, longing often becomes more existential, focusing on internal states like inner peace, resolution of past conflicts, and a sense of legacy or completed purpose. It becomes a critical tool for navigating the inherent gain-loss dynamic of aging, allowing individuals to maintain a positive connection with regrets and lost domains of experience within the realm of one’s private psychology and imagination.

Part III: The Bittersweet Quality of Longing

Longing is an inherently bittersweet emotion — a mixture of sadness, pain, or grief (the “bitter”) coupled with inspiration, hope, or a connection to something beautiful (the “sweet”).  Anecdotally, this was a major theme in Cameron Crowe’s 2001 film Vanilla Sky.

This duality serves a purpose and may ultimately be motivational. By imagining and holding the ideal in one’s consciousness, even in its absence an individual maintains a connection to potential future possibilities. Instead of being solely a depressive state, research suggests longing serves as a coping mechanism that helps individuals manage loss and maintain hope when circumstances are beyond their control.

The varied dimensions of longing and its potential to impact a person in different ways are summarized below:

Longing as life force. As demonstrated in empirical research, longing can function adaptively: when a person longs for a better future or an explanatory framework for the past, this longing can spark change, meaning-making, and movement out of stasis (Salmon & Wohl, 2020). Longing animates art, poetry, and erotic imagination. It represents the psyche’s refusal to become numb. As the psychoanalytic theorist Winnicott (to be discussed in more detail below) argued, longing signals vitality, i.e., the capacity to wish and imagine.

Longing as defense. Longing can also serve psychologically defensive functions. When actual intimacy is too threatening, longing substitutes fantasy for actual engagement. A person may remain trapped in idealization, chasing unavailable partners or recreating emotional distance.

The fear of fulfillment. In psychotherapy many patients often discover that what they fear the most is not rejection but attaining what they long for. Fulfillment threatens the psychic equilibrium organized around longing — it risks exposing the vulnerability beneath the defense. As the psychoanalyst Stephen Mitchell (2002) noted, “We fear what we desire because to have it means to change who we are.”

Bridge to the unconscious. Longing can serve as a bridge to the unconscious: it points to what is missing, desired or disavowed. It signals the presence of a psychic gap or wound that invites exploration. In this way, longing can open the way to insight, growth, and transformation.

Part IV: When Longing Becomes Problematic

While longing in and of itself is “normal” — even existential— there are ways in which it may become problematic. Longing can be experienced as an affective burden: chronic, painful, and immobilizing. When the longing cannot be articulated, integrated, or moved through, it may contribute to:

• Persistent feelings of restlessness, incompletion, and dissatisfaction.
• Chronic unassuaged longing in which the yearning persists without resolution or movement, leading to stagnation, despair, or fixation.
• Avoidance of fulfilment/self-sabotage in romantic love because intimacy may be associated with a loss of one’s identity or an emotional state that is intolerable; therefore, a person remains caught in ambivalence about fulfillment, i.e., in longing rather than in “arrival.”
• Repeated negative interpersonal experiences (Fairbairn, 1952) (“enactments”) in which a person unconsciously attempts to re‐create unresolved relational dynamics rather than resolving or moving through them.
• If longing becomes fused with guilt, shame, or self-sabotaging cycles, then depressive, addictive, and/or compulsive patterns may form.

Part V: Longing in Romantic Relationships

Longing is the sustained desire for an absent or unattainable object of love (Boesch & Schoch, 2014). It involves both desire and distance — a yearning for union coupled with awareness of separation. In romantic contexts, longing often takes the form of unrequited love, nostalgia for a lost partner, or dissatisfaction within an ongoing relationship.

Longing differs from transient desire. Desire seeks fulfilment; longing often thrives on absence. It carries a quality of melancholia, a bittersweet mix of pleasure and pain. Empirically, it is associated with increased emotional intensity and cognitive preoccupation (Baumeister & Bratslavsky, 1999). Neuroimaging studies have found that longing activates reward and attachment networks in the brain similar to those activated during addiction (Fisher, Aron, & Brown, 2005).

In short, longing is not merely missing someone — it is an affective state organized around absence and hope.

Longing manifests across several relational forms, each revealing different psychic functions:

Unrequited love. Unrequited love is perhaps the purest form of longing — an emotional state where desire exists without reciprocity. Studies show that individuals in unrequited love experience both euphoria and despair, often idealizing the beloved to maintain hope (Baumeister, Wotman, & Stillwell, 1993). Psychoanalytically, unrequited love often protects against the anxiety of real intimacy. The beloved’s distance maintains the fantasy of perfect union while safeguarding the lover from the risk of disappointment. Longing thus becomes a defense against the fear of closeness.

Longing within relationships. Paradoxically, longing can persist within established relationships. Many couples report periods of emotional distance even in long-term unions. This intrarelational longing (i.e., yearning for a partner who is physically present but emotionally absent) reflects deeper attachment dynamics. These dynamics may be identified in couples therapy: one partner may be experienced as the other’s internalized “withholding parent,” with the longing partner re-enacting childhood dynamics of pursuit and disappointment (Aron, 1996).

Longing after breakup. Post-relationship longing often combines mourning and desire. The lost partner becomes an internal figure — a psychic presence that continues to inhabit the imagination. Freud’s (1917/1957) notion of melancholia explains why letting go can be so difficult: the libido withdraws not from the object but from the world itself, turning longing inward. Empirical studies find that individuals who maintain idealized representations of ex-partners experience delayed emotional recovery (Field, 2008). Working through this internal attachment by transforming longing into grief and then into self-reflection is a central therapeutic goal.

Part VI: The Neurobiology of Longing

Infatuation, Craving and Bonding

• The intensity of longing can be partially explained by its engagement with fundamental brain systems governing motivation and social bonding. Longing is not merely “in your head;” it is a physiological event.
• Longing engages the brain’s dopamine reward system, particularly circuits involving the ventral tegmental area (VTA) and the nucleus accumbens. Dopamine is not the neurotransmitter of pleasure itself, but the signal of wanting and seeking.
• The dopaminergic reward system, particularly the VTA, is activated in both romantic infatuation and cocaine craving (Fisher et al., 2005). The overlap between attachment and reward circuits explains why longing can feel addictive: anticipation and pursuit stimulate dopamine release, reinforcing the emotional intensity even in the absence of reciprocation (Marazziti & Canale, 2004).
• When an object of longing (e.g., a lost partner) is removed, the brain does not simply turn off the associated reward pathway. Instead, the anticipation and seeking behavior become hyper-activated in the absence of a reliable reward. The brain remains on high alert, firing dopamine signals that urge the individual to search for the object that previously satisfied that circuit. This creates the intense, recurring, and almost addictive pull characteristic of deep longing.

Attachment and “Neural Vacancy”

• From an evolutionary standpoint, longing may have adaptive roots — it motivates pair bonding and persistence in seeking connection. Yet when prolonged or directed toward an unavailable partner, it can lead to dysregulation, obsession, and depressive affect (Zeki, 2007).
• Longing is deeply tied to the attachment system. Bowlby (1980) described attachment as a motivational system oriented toward proximity to a loved one. When attachment needs are unmet, longing functions as a protest behavior, an effort to restore closeness.
• When a primary attachment figure is lost, separation creates a profound “neural vacancy” (Fisher, 2004). The brain areas associated with intense emotional connection, such as the anterior cingulate cortex (ACC) and the insula (which process pain and discomfort) are activated.
• Empirical studies confirm that individuals with anxious-preoccupied attachment tend to experience higher levels of romantic longing, rumination, and difficulty letting go after breakup (Davis, Shaver, & Vernon, 2003; Feeney & Noller, 1990; Davis, Shaver, & Vernon, 2003). Those with avoidant attachment, conversely, may suppress conscious longing but express it indirectly, i.e., through emotional detachment, workaholism, or serial unavailability (Mikulincer & Shaver, 2016).
• In longitudinal studies on grief and breakup, yearning and searching behaviors are among the strongest predictors of prolonged distress (Field, 2008). The “yearning” dimension of grief (emotionally akin to longing) correlates more strongly with depressive symptoms than sadness alone (Boelen & van den Bout, 2008).

Part VII: Psychoanalytic Perspectives on Longing

Psychoanalytic theory offers a rich theoretical and therapeutic perspective for understanding longing, not just as a descriptive affect but as dynamically structured by unconscious processes, early relationships, and intrapsychic conflict.

Classical Freudian Theory: Melancholia and the Lost Object   

For Freud (1915/1957), longing expresses the tension between desire and prohibition. The “lost object” of early life, often the mother who is the first love object, becomes the prototype for all subsequent longing. Adult romantic yearning thus reactivates the infant’s yearning for the nurturing, responsive object that once seemed all-sustaining.

In Freud’s (1917/1957) essay Mourning and Melancholia, he distinguishes mourning (a conscious process of loss) from melancholia (where loss becomes internalized). Longing, in this sense, is a melancholic symptom: the lost object is incorporated into the self, and the person continues to relate to it internally, through fantasy and identification.

Lacan: Desire and the Unfillable Gap

In his famous dictum, “desire is the desire of the Other,” Lacan (1977), the French philosopher and psychoanalyst, proposed that we desire not simply the object, but the desire itself — what “the Other” represents in terms of our own incompleteness.

For Lacan, désir (“desire”) is fundamentally directed but is also unfulfillable. It is set in motion by a permanent lack, an original, constitutive gap in the self that is created when the individual enters language and culture. From this perspective, longing is endless because it is not oriented toward an object that can be possessed. It is the movement of the psyche toward wholeness that never arrives. Romantic longing, then, is not a defect but the very structure of desire. We spend our lives seeking to find what Lacan termed objetpetita (the “small other object”), which is the symbolic stand-in for the lost element that would make us whole.

The paradox is that the small other object is structurally and forever unobtainable because it never existed in reality; it is merely a stand-in for the lost wholeness.

Therefore, psychoanalytic desire is not an appetite to be satisfied, but an unquenchable movement that defines our psychic structure. Longing is the conscious, persistent, and often painful emotional experience of this structural desire. It is the emotional echo of desire, stretching toward something vague — a perfect love, an essential peace, or an alternate self. Whereas a hunger (a need) can be satisfied with food, desire persists according to Lacan. Longing is the felt experience of that persistence. It is the heart’s recognition that we are fundamentally shaped by what escapes us.

Winnicott: Transitional Objects and the Inner World

The British psychoanalyst Donald Winnicott (1971) introduced the concept of the “good enough mother.” He argued that the perfect caregiver does not exist, nor should they. The small, inevitable “failures of attunement,” the slight delays between the infant’s need and the caregiver’s response (or when early experiences of holding and attunement are inconsistent), are psychologically crucial.

Longing, in this view, is the profound emotional residue of that original, foundational absence. It is the vital tension that forces the child to develop a creative, independent inner world. It is, therefore, the birthplace of imagination and culture itself.  The child learns to imagine, to dream, and to utilize “transitional objects” (a blanket, a toy) to bridge the gap between fantasy and reality.

In some cases, the child may be left with an unintegrated longing for the soothing object that was never fully available.  This unfulfilled longing becomes the template for romantic desire — seeking, again and again, the “perfect other” who will finally fill the absence. Yet because the early absence has been internalized, no external partner can ever completely satisfy it.

Object Relations Theory: Internal Objects

Like Winnicott’s pioneering theorizing, the psychoanalytic school of object relations offers additional specifications. Our early relationships with caregivers lead to internalized “objects” (internal object representations) that remain with us. Longing may then be understood as the yearning for a particular internal object (or for the idealized version of it) that we have lost or never fully had (Fairbairn, 1952).

Zima’s Narcissistic “Absolute Desire”

In his essay “Love and Longing: Absolute Desire from Romanticism to Modernism,” Peter Zima (1997), a literary scholar and sociologist of literature, distinguished “love” from “longing.”  Echoing Lacan, he argued that love is object-directed (i.e., towards another person or a concrete object of affection), whereas longing is “object-less” in the sense that the desire is no longer about achieving or possessing a particular object – but about “desire for desire’s sake.” Further, Zima suggested that his view of longing had a narcissistic dimension, i.e., longing is characterized as narcissistic in that the ego withdraws from real object relations (relational engagement) and invests in the “desire of being desired.” In other words: an individual longs not simply for the external object (a person) but for the state of yearning itself (or for the longing to be fulfilled). Thus, for Zima, the “unattainability” of longing is structural: because the longed‐for object is in part fantasy, the fulfilment will never fully correspond to the longing. Zima’s notion of longing as “absolute desire” captures this, i.e., a person essentially longs for the longing itself.

Contemporary Psychoanalytic Views

Contemporary theorists such as Jessica Benjamin (1988) and Stephen Mitchell (1993) re-interpreted longing within the relational paradigm.

For Benjamin, longing is both self-assertive and dependent — it expresses the desire to be recognized by the other without surrendering autonomy. Romantic conflict often arises when partners oscillate between these poles: the wish for merger and the fear of engulfment. As Benjamin (1988) suggests, healthy intimacy involves “mutual recognition”: the ability to see and be seen without collapsing into merger or distance.

Mitchell (2002) viewed longing as central to modern love: a yearning for connection that simultaneously acknowledges difference. Longing sustains erotic vitality but also exposes vulnerability.

Loss and Mourning

A final perspective described by psychoanalytic theorists is longing resulting from two types of loss: actual (longing arises in response to death or separation) or symbolic (long related to the loss of potential or opportunity).  Regarding the latter, a person bears a “would-have been” self, with longing embodying the tension between the present self and that alternative. In this sense, longing is fundamentally tied to time: the past (what was) and the future (what might be) and the interplay with the present.

Part VIII: Therapeutic Approaches to Longing

Psychodynamic therapy does not aim to “cure” the problem of longing, but, instead, to transform the client’s relationship with it, shifting it from an agonizing repetition to a source of self-knowledge and creative potential. The goal is not to eliminate longing but to integrate it, to transform it from a compulsive repetition into a creative and relational capacity.

Through therapy, the client learns to bear longing without acting it out destructively, and to convert yearning into authentic connection and self-understanding. Ultimately, a client may find acceptance of the unattainable, or make a shift from being preoccupied with unresolvable problems or past relationships to actively pursuing connection, authenticity, and self‐coherence.

When longing is a salient issue in psychotherapy, the therapist and client typically engage in the following tasks:

1. Make the longing explicit and explore what it represents. The first therapeutic task is to name and explore the longing. Clients often begin therapy saying, “I just can’t stop thinking about him,” without recognizing the symbolic layers of their yearning. The therapist helps articulate: What does this person represent? What need, fantasy, or memory is attached to this longing? Often the object of the longing is vague: “I feel this yearning, I don’t know what it’s for.” In therapy, the clinician helps the client to name: What am I longing for? Is it a person, a state, a lost self, a possibility? What personal images, fantasies, or internalized others accompany this longing?

2. Track the relational history of the longing. Through free association and exploration of early experiences, therapy links current longing to past relational patterns. The client may discover that his or her longing is less about a current romantic partner and more about the early unavailable caregiver. Recognizing this connection transforms longing from obsession to insight. Where in early life did this longing originate? For example: Was there a caregiver who was emotionally absent? Was the child prevented from certain desires? The therapist may help the client see how the internal object (e.g., “mother who was not there”) became layered with longing.
3. Identify patterns of enactment/repetition. Clients often enact their longing in current relationships: pursuing unavailable partners, idealizing someone, rejecting closeness, etc. The therapist questions: Is this a repetition of the internal script of longing? Therapy can help these enactments become more visible.

4. Explore ambivalence, internal conflict, and defenses. Why is the fulfilment of longing paradoxically resisted? Longing may appear as ambivalence: one part of the self yearns, another fears the fulfilment (because fulfilment would mean change, loss of identity, or the dissolution of the person’s familiar narratives). Fulfilment threatens the end of desire and loss of the longing itself. Therapy helps the client to recognize these internal conflicts: longing vs. fear of loss; desire vs. fear of lack.

5. Mourning the fantasy of perfect fulfillment. The core work of psychotherapy involves gently guiding the patient toward mourning the fantasy of the unattainable ideal. This is not mourning the lost internal object (caregiver), but mourning the belief that perfect, total fulfillment is achievable through any external person or thing. This profound acceptance frees the patient to appreciate reality with its inevitable imperfections.

Part IX: Conclusion: Embracing the Paradox

The psychology of longing reveals a central paradox of the human condition: we are fundamentally incomplete, yet perpetually driven toward wholeness. Longing is a complex multidimensional emotional state organized around absence, desire, and the unfulfilled. It is both deeply human and deeply meaningful; it points to our relational nature, and our internal maps of love, attachment, loss and possibility.

Romantic longing exposes both the beauty and the fragility of being human. It reveals our hunger for recognition, our fear of loss, and our ambivalence regarding closeness and distance.

Psychoanalytic theory helps us understand how longing is involved in the building of psychic structure: longing as the echo of early relational wounds, longing as narcissistic desire, longing as yearning for an internalized object. Psychoanalytic theory asserts that this incompleteness is not a flaw but a structural necessity — the unfillable gap that inspires thinking, desiring, imagining, and creating.

In its most destructive form, longing imprisons us in repetition — chasing ghosts of love that never fully arrive. In its most integrated form, it teaches us how to love with awareness, how to desire without possession, and how to find meaning in the spaces between.

Psychotherapy offers a way to listen to longing, to hear what it tells us about our histories, our fantasies, and our capacity to love. The goal of psychological maturity is not to eliminate longing, but to integrate it. It is a call to action: to transform the relentless search for an external ideal into the disciplined pursuit of internal values.

When we stop trying to fill the gap and instead listen to the values it reveals, longing ceases to be a source of torment and becomes a compass for the soul. When we learn to hold longing rather than be held by it, we begin to transform it from pain into presence.

FAQs:

Q1. What distinguishes longing from simple desire or nostalgia? Longing blends desire with absence and is both painful and hopeful; unlike desire, it often persists without seeking resolution, and unlike nostalgia, it is future-oriented as much as past-oriented.

Q2. How does neurobiology help explain the addictive nature of longing? Longing activates the brain’s dopamine-driven reward systems (especially the VTA and nucleus accumbens), which intensify wanting and seeking even when satisfaction is impossible.

Q3. Why can longing persist even within a romantic relationship? In relationships, longing may reflect emotional distance or the re-enactment of early attachment patterns, where one partner unconsciously becomes the “unavailable” caregiver of the other’s internal world.

Q4. How do psychoanalytic thinkers understand the roots of longing? Freud, Lacan, Winnicott, and object relations theorists interpret longing as a response to early relational loss, structural incompleteness, and the internalized “lost object” that shapes desire throughout life.

Q5. What is the primary goal of psychotherapy when dealing with longing? Therapy aims to make longing conscious, interpret its origins, work through fantasies of perfect fulfillment, and help individuals transform longing into insight, connection, and self-coherence rather than repetitive suffering.

References

Aron, L. (1996). A meeting of minds: Mutuality in psychoanalysis. Analytic Press.

Baltes, P. B., & Staudinger, U. M. (2008). Psychology of human strengths and life longings. Developmental Psychology of Sehnsucht. Springer.

Baumeister, R. F., & Bratslavsky, E. (1999). Passion, intimacy, and time: Passionate love as a function of change in intimacy. Personality and Social Psychology Review, 3(1), 49–67.

Baumeister, R. F., Wotman, S. R., & Stillwell, A. (1993). Unrequited love: On heartbreak, anger, guilt, scriptlessness, and humiliation. Journal of Personality and Social Psychology, 64(3), 377–394.

Benjamin, J. (1988). The bonds of love: Psychoanalysis, feminism, and the problem of domination. Pantheon.

Boelen, P. A., & van den Bout, J. (2008). Complicated grief, depression, and anxiety as distinct postloss syndromes: A confirmatory factor analysis study. American Journal of Psychiatry, 165(7), 1026–1032.

Boesch, E. E., & Schoch, A. M. (2014). Longing and belonging: Cultural meanings of longing. Routledge.

Bowlby, J. (1980). Attachment and loss: Vol. 3. Loss, sadness, and depression. Basic Books.

Crowe, C. (Director). (2001). Vanilla Sky [Film]. Paramount Pictures.

Davis, D., Shaver, P. R., & Vernon, M. L. (2003). Physical, emotional, and behavioral reactions to breaking up: The roles of gender, age, emotional involvement, and attachment style. Personality and Social Psychology Bulletin, 29(7), 871–884.

Fairbairn, W. R. D. (1952). Psychoanalytic studies of the personality. Routledge.

Feeney, J. A., & Noller, P. (1990). Attachment style as a predictor of adult romantic relationships. Journal of Personality and Social Psychology, 58(2), 281–291.

Field, T. (2008). Post-divorce adjustment difficulties: A review. Journal of Divorce & Remarriage, 49(1–2), 1–17.

Fisher, H. E. (2004). Why we love: The nature and chemistry of romantic love. Henry Holt.

Fisher, H. E., Aron, A., & Brown, L. (2005). Romantic love: An fMRI study of a neural mechanism for mate choice. Journal of Comparative Neurology, 493(1), 58–62.

Freud, S. (1957). Mourning and melancholia. In J. Strachey (Ed. & Trans.), The standard edition of the complete psychological works of Sigmund Freud (Vol. 14, pp. 237–260). (Original work published 1917.)

Freud, S. (1957). Instincts and their vicissitudes. In The standard edition (Vol. 14). (Original work published 1915.)

Lacan, J. (1977). Écrits: A selection (A. Sheridan, Trans.). Norton.

Marazziti, D., & Canale, D. (2004). Hormonal changes when falling in love. Psychoneuroendocrinology, 29(7), 931–936.

Mitchell, S. A. (1993). Hope and dread in psychoanalysis. Basic Books.

Mitchell, S. A. (2002). Can love last? The fate of romance over time. Norton.

Ravicz, M. (2011). The temporal dynamics of yearning. Journal of Phenomenological Psychology, 42(2), 145–163.

Salmon, S., & Wohl, M. (2020). Longing as a coping mechanism in times of loss. Motivation and Emotion, 44(5), 783–799.

Sartre, J.-P. (1956). Being and nothingness (H. Barnes, Trans.). Philosophical Library.

Winnicott, D. W. (1971). Playing and reality. Routledge.

Zeki, S. (2007). The neurobiology of love. FEBS Letters, 581(14), 2575–2579.

Zima, P. V. (1997). Love and longing: Absolute desire from Romanticism to Modernism. Palgrave Macmillan.