When Your Sex Drives Don't Match: Understanding Desire Discrepancy in Relationships
By Mark Ryan, Integrative Psychotherapist & Registered Relationship Therapist | March 2026 | 8 min read
You want sex more than your partner does. Or perhaps it's the other way around — your partner seems to want it constantly and you just don't feel it the way you used to. Maybe it's been a source of quiet tension for months, or years. Maybe it erupts into arguments. Maybe you've stopped talking about it altogether because the conversation never seems to go anywhere.
Whatever it looks like in your relationship, you are not alone — and there is nothing wrong with either of you.
Differences in sexual desire between partners — known clinically as sexual desire discrepancy or SDD — are among the most commonly reported challenges in couples therapy. Research published in Psychology Today suggests that up to 80% of couples regularly experience situations where one partner wants sex and the other doesn't. It is not a sign that something is fundamentally broken. It is, for many couples, simply part of what long-term intimacy looks like.
This post explores what desire discrepancy is, why it happens, how it can affect a relationship if left unaddressed, and — most importantly — how couples can begin to talk about it in a way that brings them closer rather than further apart.
What Is Desire Discrepancy?
Sexual desire discrepancy was first formally defined by Zilbergeld and Ellison in 1980 to describe the gap between partners' desired frequency of sexual activity. But desire isn't just about frequency — it's about wanting: the feeling of interest in sex, the pull toward physical and emotional intimacy, the sense of openness to connection.
In most relationships, some degree of discrepancy exists. Two people rarely have identical drives, and those drives shift over time — affected by stress, health, hormones, the length of the relationship, life events, and the quality of emotional connection between partners.
What matters is not whether a discrepancy exists, but how large it is and — crucially — how the couple navigates it. A position statement by the European Society for Sexual Medicine notes that SDD is likely more prevalent and more challenging in long-term compared with short-term relationships, partly because early relationship energy naturally diminishes and partners' desires can diverge as the relationship matures.
There Is No 'Normal' — And That Matters
One of the most damaging things couples do when facing desire differences is to assume one partner's level of desire is 'right' and the other's is 'wrong.' The higher-desire partner worries they are too demanding or that their partner no longer finds them attractive. The lower-desire partner fears there is something deficient about them — that they are broken, or have somehow failed.
Neither is true. There is no correct or normal level of sexual desire.
Research consistently shows that desire is influenced by an enormous range of factors — including attachment style, relationship quality, mental and physical health, medication, stress, and life stage. A landmark qualitative study on desire discrepancy in long-term relationships found that desire changes significantly across the lifespan of a relationship, and that those changes are shaped as much by relational dynamics as by individual biology.
It's also worth challenging some entrenched assumptions about who wants sex more. The stereotype of the high-libido man and the low-libido woman is not supported by evidence. Research has found that in heterosexual couples, women report a higher sex drive than their partner in up to 60% of cases — and in same-sex relationships, desire dynamics vary considerably and don't map onto gender in predictable ways.
In short: desire discrepancy can exist in any relationship, in any direction. It is not a reflection of how much you love your partner, how attracted you are to them, or whether your relationship is fundamentally viable.
Struggling with desire differences in your relationship?
Mark offers a free 30-minute introductory consultation. Book online at https://www.riseandgrowtherapy.co.uk/free-consultation
There is no correct or normal level of sexual desire.
Why Desire Discrepancy Becomes a Problem
Left unaddressed, the gap between partners' desires can create a painful dynamic that has less and less to do with sex itself.
The partner who wants more sex often begins to feel rejected, unwanted, and unloved. The partner who wants less begins to feel pressured, inadequate, or that sex has become a performance rather than a pleasure.
Once this cycle takes hold, research suggests it tends to compound over time. Higher desire discrepancy is associated with reduced relationship satisfaction, more negative communication, and greater instability. Couples can find themselves avoiding not just sex, but physical closeness of any kind — touch, affection, even sleeping in the same bed — because every gesture carries the weight of an unspoken negotiation.
It's also worth noting that desire discrepancy affects partners differently. Research indicates that women tend to experience reduced relationship satisfaction when desire discrepancy is high, while men more often report reduced sexual satisfaction. Both matter — and both deserve to be heard.
The avoidance itself becomes a problem. The longer couples go without addressing the underlying dynamic, the more entrenched the patterns become, and the harder it is to find a way back to each other.
Starting the Conversation — Without Blame
The most important shift couples can make is to stop framing desire discrepancy as one person's problem and start approaching it as something that belongs to the relationship. This is not about assigning fault. It is about curiosity.
Some questions worth exploring together — ideally with the support of a therapist, but even in your own conversations:
When did the discrepancy become noticeable, and what else was happening in the relationship at that time?
Is the lower desire partner genuinely uninterested in sex — or uninterested in sex as it currently exists in the relationship? These are very different things.
Is the higher desire partner seeking sex specifically — or connection, reassurance, or closeness that could be met in other ways?
What does each partner need to feel safe enough to be genuinely present with the other?
A 2024 study in the Journal of Marital and Family Therapy found that the most effective strategy couples used to manage desire discrepancy was communication — but also that many couples with problematic discrepancies were less likely to communicate openly than those for whom the discrepancy felt manageable. This is the paradox: the couples who most need to talk about it are often the least able to.
That is not a failure of the relationship. It is a signal that the conversation needs a container — a safe, structured space where both partners can speak honestly and be heard without fear of rejection or escalation.
How Couples Therapy Can Help
Desire discrepancy is one of the most common presenting issues in couples therapy — and one of the most treatable. Therapy doesn't aim to make both partners want sex at the same frequency. That's rarely a realistic or necessary goal. What it does is help couples understand what's driving the discrepancy, disrupt the patterns that have built up around it, and find new ways of relating to each other physically and emotionally.
In my work with couples, I find that desire differences are rarely just about sex. They are often expressions of something deeper — unmet emotional needs, unspoken resentments, differences in how partners understand intimacy and connection, or the accumulated weight of a dynamic that neither person knows how to name. When couples can slow down and look at what's underneath, the conversation about desire often becomes much more navigable.
Approaches like Emotionally Focused Therapy (EFT) and the Gottman Method have a strong evidence base for working with desire and intimacy challenges. EFT in particular — which focuses on the emotional bonds between partners — has been shown to be effective in addressing desire discrepancy by helping couples understand the attachment needs that underlie their sexual dynamic.
It's also worth saying clearly: you don't have to be in crisis to come to therapy. Many couples come to address desire differences before they've become a source of serious conflict — as a way of investing in the relationship, building better communication, and staying connected through the inevitable shifts that long-term intimacy brings.
A Note for LGBTQ+ and Diverse Relationships
Desire discrepancy exists in all kinds of relationships — same-sex couples, non-binary partnerships, polyamorous and ethically non-monogamous relationships, and relationships across all ages and life stages. The research base, while growing, has historically focused on heterosexual couples, and many of the assumptions embedded in mainstream conversations about desire don't translate well to diverse relationship structures.
In my practice, I work with LGBTQ+ couples, people in ethically non-monogamous relationships, and those navigating sexual identity within their partnership. The conversations look different — the dynamics are different — and the therapy needs to reflect that. If you're looking for a therapist who understands your relationship on its own terms, that matters.
If desire differences are affecting your relationship, I'd be glad to help.
Book a free 30-minute introductory consultation at https://www.riseandgrowtherapy.co.uk/free-consultation
The Bottom Line
Desire discrepancy is one of the most common and most misunderstood challenges in long-term relationships. It is not a sign that your relationship is failing, that you don't love your partner, or that something is fundamentally wrong with either of you.
It is a signal worth listening to — one that, approached with honesty and curiosity, can open up conversations that bring you closer rather than further apart.
If you've been carrying this quietly, you don't have to keep carrying it alone.
About the Author
Mark Ryan is an integrative psychotherapist and Registered Relationship Therapist (NCPS), specialising in couples and relationship therapy across London. He works with couples navigating desire and intimacy challenges, communication breakdown, trust repair, and diverse relationship structures — including LGBTQ+ partnerships and ethically non-monogamous relationships. Mark works from private therapy rooms in Kensington, Pimlico and Angel.
He holds a BA (Hons) in Integrative Counselling and Psychotherapy and is a Registered Member of the BACP (No. 405397) and an Accredited Relationship Therapist with the NCPS (NCPS495).
If you're navigating desire differences in your relationship, Mark offers a free 30-minute introductory consultation. Sessions are available in person at Kensington, Pimlico and Angel.
