Can a relationship survive without sexual intimacy?

Yes. Sex and intimacy are not one and the same. Intercourse is not the most important thing in a romantic relationship. Not having sex doesn’t necessarily mean your relationship is “failing”.
From my work with couples I’ve discovered there is never an issue regarding intimacy if couples can talk with each other about their needs. If they can understand and meet their partner’s needs then the relationship can thrive. Things like what kinds of intimacy is needed most by each partner and whether those needs match, are key.
A relationship with no sex can be perfectly acceptable when both partners feel the same way and are satisfied with the ways they connect emotionally, intellectually, or spiritually. Problems tend to arise when expectations or needs differ and go unspoken. As this can create confusion, resentment, or withdrawal.
Even without sexual intimacy, relationships can thrive through a variety of other connections. Affectionate touch, cuddles, shared laughter, quiet companionship, collaborative activities like cooking or reading together, or playful rituals such as dancing or singing in the kitchen all sustain closeness. Intellectual and emotional intimacy are also important. Debates, shared values, curiosity about each other’s thoughts – all reinforce the couple bond.
Resilient couples are those who find new ways to connect, who are flexible in meeting each other’s evolving needs, and who embrace one another’s limitations.
The relationship flourishes when both partners recognise that intimacy is dynamic and multifaceted, not solely defined by sexual activity, and that the effort to sustain closeness through alternative forms of connection can be just as fulfilling.
What is intimacy?
Intimacy is often spoken about as if it were a single, easily defined experience, yet in reality it is a rich, multifaceted phenomenon that touches every aspect of relationships. In couples, intimacy underpins passion and commitment, allowing partners to sustain closeness, trust, and mutual understanding over time.
We’ll look at how intimacy operates in different relationships and why communication is central to cultivating it.
Intimacy in theory and practice
Robert Sternberg’s Triangular Theory of Love identifies three components at the heart of romantic relationships: intimacy, passion, and commitment. Intimacy, the emotional closeness, trust, and connection between partners, is central. It enables passion and commitment to thrive.
From a therapeutic perspective, intimacy is not a single thing but a delicate network of psychological, emotional, physical, sexual, intellectual and spiritual connection.
Couples build this unique intimacy in countless ways: reading together, cooking side by side, bathing together, sharing quiet moments, cuddling, kissing, stroking, or even waiting for each other to watch the next episode of a series. Shared values, debates, laughter, singing, dancing, and playful touch all reinforce the bond, demonstrating that intimacy can exist with or without sexual activity.
Sex is one facet of intimacy, and its presence or absence is only a problem when expectations or needs differ. Couples who communicate openly about desires, navigate differences, and remain attentive to evolving needs (through ageing, health changes, or shifting life circumstances) tend to sustain a more resilient relationship.
Affection, attentiveness, and shared experiences maintain the emotional connection even when passion fluctuates. Sternberg’s model underscores that relationships relying solely on passion or commitment without intimacy often feel disconnected or performative. By fostering awareness of each partner’s needs and creating shared rituals and small moments of closeness, couples actively cultivate a love that adapts to life’s challenges and deepens connection over time.
Intimacy in different kinds of relationships
Intimacy exists in many forms across human connections: friends, siblings, parent/child relationships and professional relationships. These all involve varying degrees of trust, closeness, and understanding. These relationships often emphasise specific types of intimacy: emotional sharing with friends, guidance and care in parent/child bonds, or respectful collaboration in professional settings. The Triangular Theory reminds us that intimacy is one component of a broader relational “triangle” and in non-romantic relationships, it may operate independently of passion or long-term commitment.

Couples, however, are unique because they weave multiple types of intimacy together: emotional, physical, sexual, intellectual and spiritual. This is often simultaneous. The combination allows partners to engage both heart and body, mind and spirit, creating a layered, dynamic connection that extends beyond what is typical in friendships or family ties. While friends or siblings may provide emotional or intellectual intimacy alone, couples must navigate how all dimensions interact, ensuring that each partner’s needs are acknowledged and met.
In Sternberg’s terms, it is this rich, integrated intimacy that supports the development of consummate love. Intimacy, passion, and commitment align to sustain a deep, resilient partnership.
Communication, as always, is key
From many years working as a couples therapist and coach, it is clear that intimacy deteriorates without clear communication. Partners need to express their needs and understand their own desires and boundaries.
Often, this is more complex than it appears. Many people enter relationships without fully knowing what truly nourishes them emotionally, physically, or intellectually, which can lead to misalignment and frustration.
Couples who cultivate self-knowledge and are willing to share their evolving needs create a stronger foundation for intimacy. This is an ongoing dialogue that requires honesty, curiosity and patience. Whether it’s discussing sexual preferences, emotional support, or everyday rituals of connection, couples learn to translate internal feelings into words and actions that their partner can understand and respond to.
The challenge I see in my therapy room is that people may not be fully aware of what they need themselves or they assume their partner should “just know” what they need. By actively exploring and articulating these needs, couples can reduce confusion and build a deeper, more resilient intimacy. Intimacy which can adapt to the natural changes of life, mood, and circumstance. For tips on how to communicate desires in your couple, check out my blog post on reframing intimacy in relationships.
Maintaining Intimacy
Ultimately, intimacy is not fixed or static. It is an ongoing, evolving process that requires curiosity, honesty and creativity. Whether closeness is expressed through affectionate touch, shared activities, playful rituals, or sexual connection, affection thrives when partners actively communicate their needs and remain attentive to each other’s evolving desires.
By embracing flexibility, self-awareness and mutual support, couples can create a resilient, dynamic bond that combines emotional, physical, intellectual and spiritual connection. In doing so, they cultivate both closeness and a partnership capable of adapting to life’s inevitable changes and deepening over time.