After an affair, physical closeness can become one of the most complicated parts of a relationship. Some couples find themselves pulled toward each other with surprising intensity soon after discovery. Others cannot imagine being touched for a long time. Many move back and forth between the two. Whatever you are experiencing, it is common, and there is no single right timeline for rebuilding intimacy. Working with a therapist who understands both infidelity and sexual concerns, such as through sex therapy in Los Angeles, can help couples move forward at a pace that feels safe for both partners.
Why Intimacy Feels So Complicated After an Affair
Infidelity often injures the very things that make sexual intimacy feel safe: trust, exclusivity and the sense of being chosen. For the hurt partner, sex can bring up comparisons, intrusive images or fears of not being enough. For the involved partner, guilt, shame or fear of saying the wrong thing can make it hard to initiate or be present.
Research suggests the emotional impact of infidelity can be significant. In one study of unmarried young adults who had experienced a partner’s infidelity, 45.2% reported symptoms suggesting probable infidelity-related PTSD (Stress and Health, 2019). When trauma symptoms are present, the body may respond to closeness with alarm rather than desire.
Common Patterns Couples Experience
Hysterical Bonding
Some couples experience an intense surge of sexual desire soon after discovery. This is sometimes called “hysterical bonding.” It can come from a desire to reclaim the relationship, reassure each other, or soothe overwhelming emotions. It is not a sign that the hurt has healed, and it can be followed by periods of distance.
Avoidance and Shutdown
For other couples, sex stops completely. The hurt partner may feel numb or repelled, or may fear that closeness means forgiving too soon. The involved partner may withdraw to avoid causing more pain.
Mixed Signals
Many couples experience both, sometimes in the same week. Desire one day and distress the next is a common part of this process.
Understanding Triggers During Intimacy
Triggers during sex are common after infidelity. A position, a phrase, a place, a time of day or even a thought can suddenly bring the betrayal back into the room.
When a trigger happens:
Pause without blame. Agree in advance that either partner can stop at any time.
Name it gently. A simple “I’m triggered right now” can help your partner understand what is happening.
Focus on comfort first. Holding each other, breathing together or simply sitting close can be more helpful than continuing.
Talk later, not in the moment. Return to the conversation when you are both calmer.
If triggers are frequent or overwhelming, our article on betrayal trauma after an affair explains how approaches such as EMDR may help.
Rebuilding Sexual Trust
Sexual trust involves more than fidelity. It includes feeling emotionally safe, being able to say yes or no freely, and trusting that your partner is fully present with you.
Start With Emotional Safety
For many couples, desire depends on how safe and connected they feel outside the bedroom. Our article on the link between emotional safety and sexual desire explores this connection in depth.
Prioritize Honest Communication
The hurt partner may have questions about the affair, including sexual details. Couples therapists often help partners decide together which questions support healing and which may create more painful images.
Make Consent Clear and Ongoing
Both partners need to feel free to say yes, no or not yet. Pressure, even subtle pressure, can set healing back.
Rebuild Through Small, Reliable Actions
Trust tends to grow through consistent behavior over time: keeping promises, being transparent and showing up emotionally.
Pacing Physical Reconnection
Many couples find it helpful to rebuild physical closeness gradually rather than returning straight to sex.
Begin With Non-Sexual Touch
Holding hands, hugging, sitting close or a hand on the back can rebuild comfort without the pressure of sex. Agreeing that some touch is simply touch can help both partners relax.
Consider Structured Touch Exercises
Sex therapists sometimes use sensate focus, a structured series of non-demand touch exercises developed by Masters and Johnson. Sensate focus is designed to reduce performance pressure and help partners reconnect with physical sensation step by step.
Let the Hurt Partner Guide the Pace
Often the hurt partner needs more control over timing and intensity, at least for a while. This can help them feel safe and choose closeness rather than tolerate it.
Expect Setbacks
Progress is rarely linear. A setback does not mean the relationship is failing. It is a signal to slow down and reconnect.
When Physical Symptoms Are Present
Stress and grief can affect arousal, desire and comfort during sex. When pain, sudden changes in desire, erectile changes, or other physical symptoms are present, medical evaluation may be important. Sex therapy can complement medical treatment by addressing the emotional, behavioral, and relational effects.
How Therapy Helps
Couples therapy can help partners work through the betrayal itself, while sex therapy focuses on rebuilding comfort, desire and sexual communication. Many couples benefit from both. At Couples Healing Center, our clinicians combine approaches such as Emotionally Focused Therapy with sex therapy to address the emotional bond and physical intimacy together.
You can learn more about the broader recovery process on our infidelity therapy in Los Angeles page and in our article on 8 ways to heal after an affair.
Frequently Asked Questions
How long after an affair should we wait to have sex?
There is no set timeline. Many couples find it helpful to let the hurt partner guide the pace and to rebuild emotional safety and non-sexual closeness first.
Is it normal to want sex right after discovering an affair?
Yes. Some couples experience a surge of desire soon after discovery, sometimes called hysterical bonding. It is a common response, though it does not mean the hurt has healed.
What if I never want to be touched again?
Feeling numb or repelled is common after betrayal. Many people find their feelings shift over time as safety and trust rebuild. A therapist can help you understand what you need.
What should we do if I get triggered during sex?
Pause, name the trigger gently, focus on comfort, and talk about it later when you are both calmer. Agreeing in advance that either partner can stop at any time helps.
What is sensate focus?
Sensate focus is a structured series of touch exercises developed by Masters and Johnson. It reduces performance pressure and helps partners reconnect physically step by step.
Should I ask about the sexual details of the affair?
Some questions can support healing while others create painful images. A couples therapist can help you decide which questions are helpful for you.
Can sex therapy help after infidelity?
It can. Rebuilding sexual intimacy after an affair is a common focus in sex therapy, usually alongside work on trust and emotional safety.
What if stress is affecting arousal or desire?
When pain, sudden changes in desire, erectile changes, or other physical symptoms are present, medical evaluation may be important. Sex therapy can complement medical treatment by addressing the emotional, behavioral, and relational effects.
Do we need couples therapy and sex therapy?
Many couples benefit from both. Couples therapy addresses the betrayal and trust, while sex therapy focuses on physical intimacy and sexual communication.
Is sex therapy available online?
Yes. California-licensed therapists can generally provide telehealth to clients who are physically located in California at the time of the session. Partners may join from the same room or separate private locations depending on therapist policy.
Getting Started
Rebuilding intimacy after infidelity takes patience, honesty and care from both partners. It is possible to move from fear and distance toward closeness that feels chosen and safe.
At Couples Healing Center, our clinicians help couples rebuild trust and intimacy in Culver City, Long Beach and Tustin, and virtually for clients located in California. If you would like to talk about where to begin, you can schedule a complimentary consultation with our team.
Written by Dr. Liz Wee, licensed relationship & sex therapist and founder of Couples Healing Center.
