What Actually Is Love - Exploring Love Psychology and Its Theories
Updated on 27 Apr 2025
Written by the Psychvarsity Team
The Science Behind Love - An Exploration
The sensation of being in love is often described as an intense emotion that can overwhelm us, bringing joy, excitement, and even a sense of fear. It's a universal human experience - but what actually is love? From a psychological perspective, love is a complex interplay of emotions, behaviors, and beliefs associated with strong affection and warmth towards another person. Love can also be seen as a survival tool, a mechanism we have evolved to promote long-term relationships, mutual defence and parental support of children, and to promote feelings of safety and security.
Throughout history, philosophers, poets, and artists have attempted to define and understand love, but it's only recently that scientists have started to unravel the psychological and biological mysteries of love. In this article, we will delve into the science of love, exploring different theories and perspectives, and providing examples to illustrate these concepts.
Psychological Theories of Love
The psychology of love is a thriving field, with various theories proposing different views on what love is and how it functions. Here, we'll explore two of the most prominent theories - Sternberg's Triangular Theory of Love and Fisher's Theory of Love.
Sternberg's Triangular Theory of Love: This theory, proposed by psychologist Robert Sternberg, suggests that love consists of three components - intimacy, passion, and commitment. Different combinations of these three components result in different types of love. For instance, a relationship based solely on intimacy results in liking, while one based on passion and intimacy but lacking commitment results in romantic love. This theory allows us to understand the various stages and types of love we experience in our lives.
Fisher's Theory of Love: Anthropologist Helen Fisher proposes that love consists of three stages - lust, attraction, and attachment. Each stage is associated with different hormones that act in our brain. Lust is driven by testosterone and estrogen, attraction by dopamine, norepinephrine, and serotonin, and attachment by oxytocin and vasopressin. Fisher's theory explains why we feel different emotions at different stages of a relationship and why these stages can overlap and coexist.
Love, Attachment and Our Brain
Love doesn't just involve our minds and emotions - it also involves our brains. Neuroscience research has shown that love is linked to the brain's reward system, a series of circuits that create feelings of pleasure and satisfaction. When we are in love, our brain releases a cocktail of chemicals, including dopamine, oxytocin, and vasopressin, which create feelings of happiness, reward, and attachment.
For instance, in a 2005 study by Bartels and Zeki, it was found that people who described themselves as "truly and madly" in love showed activation in the areas of the brain associated with reward, motivation, euphoria, and addiction. This suggests that love can indeed be addictive, providing a possible explanation for why we often have difficulty moving on after a relationship ends.
Moreover, love also activates areas in our brain associated with empathy and understanding, suggesting that love also enhances our emotional intelligence and capacity for understanding others. So, love doesn't just make us feel good - it also makes us better, more empathetic people.
Interestingly, the brain's response to love also involves the release of stress hormones, such as cortisol. This can lead to feelings of anxiety and fear, especially in the early stages of a relationship. This explains why falling in love can sometimes feel frightening and overwhelming.
In sum, love is a complex and multifaceted phenomenon that involves our emotions, our brains, and our bodies. It encompasses a wide range of feelings, behaviors, and beliefs, and it plays a crucial role in our personal and social lives. By understanding the psychology of love, we can better understand ourselves and our relationships, and we can learn to love more effectively and healthily.
Love and Personal Growth - The Self-Expansion Theory
The Self-Expansion Theory of love, proposed by psychologists Aron and Aron, provides a different perspective on love. According to this theory, one of the primary motivations behind love is the desire for self-expansion. In other words, we seek relationships that allow us to grow, learn new things, and enhance our self-image.
How does self-expansion work in love? Imagine you're in a relationship with someone who is an avid hiker. Over time, you may start incorporating hiking into your own life, learning about different trails, improving your physical stamina, and even beginning to see yourself as a hiker. This is an example of self-expansion - you've grown and learned new things through your relationship.
A critical aspect of the Self-Expansion Theory is that it posits mutual growth and development as a key component of a successful and fulfilling relationship. Both partners in a relationship should feel that they are learning and growing through their union, leading to an increased sense of self-efficacy and self-worth.
In a study conducted by Mattingly, Lewandowski, and McIntyre, it was found that individuals who perceived their partners as aiding in their self-expansion were more satisfied with their relationships. This suggests that the ability to grow and develop through a relationship may be a key predictor of relationship satisfaction and longevity.
Love and Culture - The Role of Sociocultural Factors
While much of the psychological study of love has focused on individual emotions and behaviours, it's essential to consider the sociocultural factors that influence our understanding and experience of love. Cultural norms and societal expectations can significantly shape the way we perceive love, how we express it, and how we think it should be reciprocated.
For example, in many Western cultures, romantic love is often viewed as a primary reason for marriage and long-term commitment. However, in some cultures, marriages are arranged, and love is not seen as a prerequisite for marriage but rather something that develops over time. This variation shows that our cultural background can significantly influence our perspectives on love.
Culture also influences how we express love. In some cultures, open displays of affection are encouraged and seen as a sign of love. In contrast, other cultures value privacy and restraint, and love is expressed more subtly, through acts of service or verbal expressions of commitment.
The Influence of Media on Love: Media, particularly romantic films and books, can also shape our perceptions of love. They often portray love as an intense, passionate experience, filled with grand gestures and dramatic declarations. This portrayal can create unrealistic expectations of what love should look like, leading to dissatisfaction in real-life relationships that do not live up to these ideals.
The influence of society and culture on our conceptions of love underscores the complexity of this emotion. Love is not just a personal, individual experience - it's also a social and cultural phenomenon, shaped by a myriad of external factors. By acknowledging the role of these factors, we can gain a more nuanced understanding of love and its many manifestations.
Love and Evolution - The Biological Perspective
When we think about love, we often focus on the emotional and psychological aspects. However, it's equally important to consider the biological perspective. From an evolutionary standpoint, love serves a vital purpose - it promotes pair bonding, which increases the chances of survival for offspring.
The University of California, Santa Barbara's Leda Cosmides and John Tooby argue that love evolved as a commitment device. This means that love, specifically long-term romantic love, helps ensure that both parents stay together to raise their children, thus increasing the likelihood of their genes being passed on.
Biological anthropologist Helen Fisher has proposed a three-stage model of love - lust, attraction, and attachment. Each stage is associated with different hormones and neurotransmitters. For instance, the initial lust stage is driven by sex hormones testosterone and estrogen. The attraction stage is dominated by adrenaline, dopamine, and serotonin. Finally, the attachment stage is associated with the hormones oxytocin and vasopressin, which promote bonding and commitment.
These hormones and neurotransmitters create the sensations we associate with being in love. Dopamine, for example, is linked to feelings of euphoria and reward, while oxytocin, often dubbed the 'love hormone,' is associated with trust, empathy, and bonding.
This biological perspective of love highlights that love is not just a cultural or psychological phenomenon. It's deeply rooted in our biology and has evolved over time to promote survival and reproduction.
Love and Cognition - The Role of Mental Processes
While we often think of love as an emotion, cognitive processes play a vital role in how we experience and express love. Our thoughts, beliefs, and perceptions can significantly influence our feelings of love and how we act on these feelings.
Cognitive theories of love, such as the one proposed by Beverly Fehr, suggest that love is a complex cognitive-affective construct. According to this perspective, love involves both emotions (like joy, passion, and care) and cognitions (like thinking about the loved one often, believing the loved one is unique, and viewing the relationship as enduring).
Our cognitions can also influence how we interpret and respond to our loved one's behaviour. For example, if we believe that our partner cares about us, we might interpret their actions in a way that confirms this belief, even if their behaviour is ambiguous. This cognitive bias, known as confirmation bias, can either strengthen or undermine our feelings of love, depending on our beliefs and perceptions.
Another cognitive process relevant to love is idealization. Research has shown that people in love often idealize their partners, seeing them as more attractive and desirable than they actually are. This idealization can intensify feelings of love and attraction, but it can also lead to disappointment and disillusionment if the reality fails to match the ideal.
In sum, our mental processes play a crucial role in love. Our thoughts, beliefs, and perceptions shape our experience of love, influencing how we feel, how we act, and how we interpret our loved one's behaviour. By recognizing the role of cognition in love, we can gain a deeper understanding of this complex emotion.
Love and Personality - The Influence of Individual Differences
While love is a universal human experience, how we express and experience love can vary widely. This variability is partly due to individual differences in personality. Certain personality traits can influence our style of loving, our relationship satisfaction, and even our choice of partner.
According to psychologist Robert Sternberg, people with different styles of loving can be described as having different "love stories." For example, some people might have an "erotic" love story, characterized by passion and intense emotions, while others might have a "companionate" love story, characterized by deep affection and friendship.
Research has also shown that certain personality traits are linked to relationship satisfaction and longevity. For instance, individuals high in agreeableness and low in neuroticism tend to report higher relationship satisfaction and have more stable relationships. Similarly, individuals with secure attachment styles, characterized by comfort with closeness and trust in their partners, tend to have healthier and more satisfying relationships.
Furthermore, our personality traits can influence our choice of partner. People tend to be attracted to partners who are similar to them in personality, a phenomenon known as assortative mating. This similarity can promote compatibility and understanding, but it can also lead to conflict if the shared traits are negative (like impulsivity or hostility).
In conclusion, individual differences in personality play a significant role in love. Our personality traits shape our style of loving, our relationship satisfaction, and our choice of partner. By understanding the influence of personality on love, we can better navigate our romantic relationships and cultivate healthier, more satisfying love.
Love as a Journey - The Narrative Theory of Love
The Narrative Theory of Love, put forth by psychologist Robert Sternberg, suggests that love can be understood as a story that we construct and live out. According to this theory, our beliefs about love are influenced by the narratives we've absorbed from our culture, our families, and our personal experiences. These narratives, in turn, shape our actions, decisions, and emotions in our love relationships.
For instance, if we've internalized a narrative of love as a fairy tale, we might seek a partner who fits the role of the 'perfect prince or princess' and expect a relationship that's filled with romance and devoid of conflict. On the other hand, if we've internalized a narrative of love as a battlefield, we might approach relationships with a defensive mindset and perceive conflict as an inevitable part of love.
This theory underscores the power of our beliefs and narratives in shaping our love experiences. By becoming aware of the narratives we've internalized, we can challenge and reshape them if they're leading to unhealthy patterns in our relationships.
Love and Motivation - The Intrinsic and Extrinsic Factors
The factors that motivate us to love and stay in love can be broadly classified as intrinsic and extrinsic. Intrinsic factors are those that come from within us - our emotional attachment to our partner, the pleasure we derive from their company, the fulfillment we feel when we care for them.
For example, in a long-term study of couples by psychologist Arthur Aron, it was found that those who reported high levels of intrinsic motivation - such as enjoying shared activities and appreciating their partner's qualities - were more likely to stay together and report high relationship satisfaction.
On the other hand, extrinsic factors are external motivators that influence our decision to love and stay in a relationship. These can include societal pressure to settle down, the desire for financial security, or the fear of being alone.
While both intrinsic and extrinsic factors can influence our love relationships, research suggests that intrinsic motivation is a stronger predictor of relationship satisfaction and longevity. This emphasizes the importance of finding genuine, personal fulfillment in our love relationships, rather than relying on external factors to motivate our commitment.
Love and Conflict - The Role of Disagreements in Love
Contrary to the popular belief that love should be conflict-free, disagreements and conflicts are a natural and inevitable part of any love relationship. Psychologist John Gottman's research on couples suggests that it's not the presence of conflict, but how it's managed, that predicts the success or failure of a relationship.
In his research, Gottman identified four destructive communication patterns - criticism, contempt, defensiveness, and stonewalling - that he termed the 'Four Horsemen of the Apocalypse.' Couples who frequently engage in these patterns are more likely to break up or report low relationship satisfaction.
However, Gottman also found that couples who navigate conflicts in a respectful and constructive manner - by expressing their feelings without blaming the partner, showing appreciation, and finding common ground - are more likely to stay together and report high relationship satisfaction. This suggests that conflict, when handled constructively, can actually strengthen love and deepen understanding between partners.
Love and Change - The Dynamics of Love over Time
Just like individuals, love relationships are dynamic and subject to change over time. Psychologists Susan Sprecher and Pamela Regan's 'Love's Endurance Model' describes how love relationships evolve over time, influenced by both internal and external factors.
Internal factors include changes in the individuals' feelings, attitudes, and behaviors. For example, as individuals grow and evolve, their needs and expectations in a relationship may change, influencing their feelings of love.
External factors include life events and circumstances that impact the relationship. For instance, a stressful event like job loss can strain the relationship, while positive events like the birth of a child can strengthen the bond between partners.
Understanding the dynamics of love can help couples navigate changes in their relationship, maintaining their bond in the face of evolving needs and circumstances.