Most couples who come in for couples therapy for sexual issues arrive convinced that something has gone wrong. Desire has faded. Erections aren’t reliable. Sex has become predictable, or rare, or quietly avoided. They walk in braced for a diagnosis, some confirmation that they are, in fact, broken.
I usually start somewhere they don’t expect. I ask, “What makes you think it’s a problem?”
That question isn’t a trick, and it isn’t dismissive. It’s the beginning of the actual work. In my experience, couples who show up with low desire, erectile difficulties, or sexual boredom aren’t in trouble at all. They’ve arrived at something more useful. They’ve reached the limits of their own sexual and relational development, and that limit is a growth edge, not a breakdown.
The Problem Isn’t the Problem
Here is the pattern I see. A couple hits a snag in their sex life, and then they get stuck. Not on the snag itself, but on their feelings about it. The low desire becomes a story about rejection. The erectile difficulty becomes a story about attraction, or aging, or inadequacy. The boredom becomes evidence that maybe they just aren’t right for each other.
The functioning gets fused with the meaning, and the meaning is almost always some version of this shouldn’t be happening.
So couples spend enormous energy trying to restore the way things used to be, or the way they assume things are supposed to be. That effort is understandable, and it almost never works, because it treats a developmental moment as a malfunction to repair instead of a threshold to cross.
Differentiation: The Framework Behind My Approach
A great deal of my work with couples is grounded in differentiation theory applied to human sexuality and long-term love.
Differentiation is a concept developed most fully in couples work by the late psychologist David Schnarch. It describes your capacity to hold onto yourself, meaning your desires, your values, your erotic identity, while staying emotionally connected to your partner under pressure. It’s the ability to remain yourself in close proximity to someone you love, rather than collapsing into their expectations or bracing against them.
Schnarch’s central insight is that differentiation is exactly what couples struggle to maintain as they approach their growth edges. And those edges show up most vividly in the bedroom. Sex asks us to be fully ourselves and fully in contact with another person at the same time. That’s a tall developmental order. When a couple hits a wall sexually, they’re often bumping up against the precise limit of how much self each partner can hold onto while staying close.
Why “Setbacks” Are Inevitable in Deep Relationships
This is the part that surprises people most. The so-called setbacks and dysfunctions that emerge in long-term relationships aren’t aberrations. They’re centerpieces.
The longer and deeper a loving relationship becomes, the more it asks of us, and the more reliably it exposes the places where we’ve stopped growing. A committed partnership functions as what Schnarch memorably called a “people-growing machine.” Sooner or later it presses on every unresolved question you carry about desire, vulnerability, control, and self-worth.
So if you’ve been together for years and your sex life has changed, hit friction, or gone quiet, that isn’t a sign you’ve failed at intimacy. It’s a sign your intimacy has matured enough to reveal your next developmental task. Inevitable challenges aren’t detours from a good relationship. They are the good relationship, working the way deep relationships work.
The Couple as Crucible
Schnarch used the word crucible on purpose, and I do too. A crucible is a container built to withstand intense heat, the vessel in which raw material gets transformed.
That’s what this work offers. A structured, held space where the heat of a real relationship can do its transforming work instead of simply burning the two of you out. Rather than the relationship being the place where you feel most stuck, it becomes the container for your development. Rather than your partner being the ultimate adversary, the obstacle standing between you and the sex life you want, the two of you become the space in which each of you grows.
That shift moves the question from “How do we fix what’s wrong with us?” to “What is this moment inviting us to become?”
What Couples Therapy for Sexual Issues Looks Like in the Room
None of this stays abstract. In couples therapy the growth process is concrete, and it tends to move through a few connected layers.
We start by naming the cycle, the repetitive pattern that keeps you locked in bitterness, resentment, and distance. Most couples know the choreography of their conflict by heart even when they can’t put words to it.
Then we look at the ideas powering that cycle, the often unspoken beliefs about desire, performance, fairness, and what your partner’s behavior “means” that keep the whole machine running. Feelings of distance almost always sit downstream of assumptions we’ve never examined out loud.
From there the work turns individual and erotic. I help each partner own their erotic self completely, developing a clearer and more grounded relationship with their own desire rather than outsourcing it to the other person or waiting for conditions to be perfect. Owning yourself sexually is a differentiation task, and it’s the opposite of demanding that your partner supply your aliveness.
Then, from that more solid ground, each partner learns to invite the other in, to connect from a place of self rather than a place of need, complaint, or fear.
That sequence is what lets couples move through inevitable sexual challenges well. Low desire, erectile difficulties, and boredom stop being verdicts on the relationship and start being the raw material of its next chapter.
From Adversary to Ally
If you and your partner are struggling sexually right now, I want to offer you a different way to hold it. You are not defective, and neither is your relationship. You are standing at the edge of your own growth, and you happen to be standing there together.
The work of differentiation isn’t quick, and it isn’t a set of techniques. It’s a process, one that helps you tolerate the discomfort of your growth edge long enough to actually cross it. Done well, it changes more than your sex life. It changes your sense of what a relationship is for.
That’s the invitation of couples therapy for sexual issues. Stop treating your partner as the problem, and start experiencing the two of you as the space for your ultimate growth.
FAQs
Can couples therapy actually help with sexual problems?
Yes — though often not in the way couples expect. Most sexual “problems” in long-term relationships aren’t malfunctions to repair; they’re signs that the relationship has matured enough to ask more of both partners. Couples therapy helps you stop treating low desire, erectile difficulties, or boredom as verdicts, and start using them as the starting point for real sexual and relational growth.
What’s the difference between sex therapy and couples therapy?
There’s real overlap, but the emphasis differs. Couples therapy focuses on the relationship — the cycles, assumptions, and emotional patterns between partners. Sex therapy brings specialized training in sexual concerns like desire discrepancy, erectile difficulties, and pain. As an AASECT-Certified Sex Therapist who works with couples, I integrate both. I’ve written more about how to choose between them here.
How long does couples therapy for sexual issues take?
Longer than a technique, shorter than forever. This isn’t a five-session protocol, because the work isn’t learning tricks — it’s developing the capacity to stay yourself while staying close to your partner. Most couples begin noticing a shift in how they fight and how they talk about sex within the first months. The deeper work of crossing a growth edge unfolds over time, and it tends to change more than your sex life.
Jon Prezant is an LCSW and AASECT-Certified Sex Therapist in private practice, working with individuals and couples via telehealth in New York, New Jersey, New Hampshire, Florida, and Vermont. If you and your partner are ready to meet your growth moment, reach out to schedule a consultation.
