Home Family & Relationship How the Triangle Theory of Love Shapes Our Relationships

How the Triangle Theory of Love Shapes Our Relationships

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The Triangle Theory of Love, proposed by psychologist Robert Sternberg, offers a comprehensive framework for understanding the complex nature of love in human relationships. This theory suggests that love comprises three key components: intimacy, passion, and commitment, which combine in various ways to form different types of love.

Each component plays a vital role in the formation and sustainability of a romantic relationship. Intimacy fosters a deep emotional connection and a sense of belonging, while passion infuses the relationship with energy and sexual attraction. Commitment, the third component, ensures stability and a long-term perspective in the relationship, providing a foundation for the relationship to grow and evolve over time.

By understanding these three components, individuals can gain a deeper insight into their own relationships and work towards achieving a more balanced and fulfilling love life.

Exploring the three components of love

At the heart of Sternberg’s theory are the three components that define love: intimacy, passion, and commitment. Intimacy refers to feelings of closeness, connectedness, and bondedness in loving relationships. It is the emotional aspect of love that fosters warmth, sharing, and deep connection. Passion, on the other hand, encompasses the drives that lead to romance, physical attraction, and sexual consummation. It is the fire that ignites romantic love and desire. Finally, commitment is the decision to love someone and maintain that love. It represents the long-term determination to stay together, often evolving into a deeper, more mature form of love over time.

Understanding these components helps us recognise the type of love we are experiencing or seeking. For instance, a relationship that has intense passion but lacks intimacy and commitment might be considered infatuated love, whereas a relationship with high intimacy and commitment but low passion could be viewed as companionate love.

The dynamics of different love types

The Triangle Theory of Love posits that the combination of intimacy, passion, and commitment leads to seven different types of love. These include liking (intimacy alone), infatuated love (passion alone), empty love (commitment alone), romantic love (intimacy and passion), companionate love (intimacy and commitment), fatuous love (passion and commitment), and consummate love (intimacy, passion, and commitment). Each type of love offers its own unique set of experiences and challenges.

For instance, consummate love, which includes all three components, is often seen as an ideal type that many strive for in relationships. However, maintaining this balance can be challenging, as the dynamics of relationships change over time. Understanding these different types of love can help individuals and couples navigate their relationships more effectively, fostering growth and fulfilment.

To support these concepts, various studies have examined the components of the Triangle Theory. A 2020 study explored how these components interact over time in romantic relationships. Another piece of research delved into the psychological underpinnings of these components, providing empirical evidence for Sternberg’s theory.

Applying the theory in real-life relationships

Understanding the Triangle Theory of Love can be highly beneficial in practical terms. By identifying the dominant components in their relationships, individuals can gain insights into their relationship’s strengths and areas needing improvement. For example, a couple may have a strong commitment and deep intimacy but might need to work on reigniting their passion. Alternatively, a passionate relationship might benefit from efforts to deepen emotional intimacy and commitment.

Moreover, the theory can aid in self-reflection, helping individuals understand their own preferences and needs in love. Recognising one’s own inclination towards certain components of love can guide one in seeking compatible partners and fostering healthier, more satisfying relationships.




James Ellis, PhD is a psychologist and writer who specialises in relationship dynamics and the psychology of love.

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