Why Marriages Become Sexless: Understanding the Real Causes

You probably didn’t wake up one day and decide to stop having sex with your spouse. It happened gradually—and you’re not quite sure why.

Maybe it started after the baby came, or when work got overwhelming. Maybe there was a fight that never really got resolved, and now touching each other feels awkward. Whatever the starting point, the result is the same: two people sharing a bed but not sharing intimacy.

We know this confusion firsthand. After 11 years of marriage, Tony and I had been through a lot—his 18-year pornography addiction, the loss of our child at 18 weeks, over $50,000 in debt. We’d survived the big storms. But somehow, we’d drifted into living like roommates. The bedroom wasn’t a battleground; it was a ghost town.

Understanding why this happened was the first step to fixing it. And here’s what we’ve learned from our own journey and from hearing the stories of thousands of couples: most sexless marriages don’t have one single cause. They have two or three factors that compound each other.

This article will help you identify what’s really behind your sexless marriage—not just the surface symptoms, but the root causes. Because once you understand the “why,” you can finally start working on the “what now.”

What Makes a Marriage “Sexless”

Clinicians typically define a sexless marriage as having sex fewer than 10 times per year. But honestly, that number matters less than what it represents.

Some couples have sex monthly and feel deeply disconnected. Others have sex less frequently but maintain genuine intimacy through other forms of closeness. The real issue isn’t a calendar count—it’s the pattern of disconnection that typically accompanies it.

Here’s a more useful distinction:

• Intentional celibacy: Both spouses have mutually agreed to a season without sex (medical reasons, religious practices, etc.)
• Unintentional drift: Neither spouse wanted this, but life happened and sex stopped
• One-sided decision: One spouse has withdrawn, leaving the other frustrated and confused

Most couples reading this are in the second or third category. You didn’t choose this—it just happened. And that’s exactly why understanding the cause matters so much.

The Root Cause Most Couples Miss

Here’s what we’ve seen over and over, in our own marriage and with the couples we’ve worked with: sexual disconnection is almost always a symptom, not the disease.

The bedroom problems rarely start in the bedroom.

When emotional intimacy breaks down—when you stop sharing your feelings, thoughts, and desires with each other—physical intimacy follows. You can’t expect your body to want connection when your heart feels distant.

Tony and I call this “roommate syndrome.” It’s when you’re co-parents and housemates, not lovers. You’re in the same grocery store at the same time, but you’re not shopping together. The conversations become transactional: who’s picking up the kids, what bills are due, what’s for dinner.

Over time, touch becomes functional (a quick peck goodbye) or disappears entirely. And when you’re not emotionally connected, when there’s no non-sexual touch, when you’re not having fun together—why would either of you want to be naked and vulnerable?

This is why we developed the 6 Pillars of Intimacy® framework. Sexual intimacy is just one of six pillars that hold up a healthy marriage. When it cracks, you need to check the other five pillars too—because they’re usually involved.

The 10 Most Common Causes of Sexless Marriage

1. Unresolved Conflict and Built-Up Resentment

This is the silent killer. You’re not screaming at each other anymore—which might seem like progress. But the score-keeping continues. Every slight gets logged. Every disappointment becomes another brick in the wall you’re building for protection.

The dangerous part? When couples stop fighting, it often means they’ve stopped caring enough to fight. The passion required for conflict is gone, and it takes the passion for intimacy with it.

Resentment kills desire more effectively than almost any physical issue. You can’t feel safe being vulnerable with someone you’re emotionally guarded against. And sex requires vulnerability.

2. Life Transitions and Seasons

New babies and exhausted parents. Career changes and longer hours. Aging parents who need care. Health crises that consume your energy and attention.

Life throws curveballs that demand everything you have. And if you’re not intentional about protecting your connection during these seasons, you’ll wake up one day as strangers who share a mortgage.

Here’s the trap: “We’ll get back to it after this season.” But one season bleeds into the next. The kids get older but need you in different ways. Work calms down but something else ramps up. If you’re always waiting for life to settle before prioritizing intimacy, you’ll wait forever.

3. Desire Discrepancy (Mismatched Libido)

One spouse wants more; one wants less. This is nearly universal in marriage. The question isn’t whether you have a desire gap—it’s how you manage it.

Most couples manage it badly.

The higher-desire spouse feels constantly rejected. They start initiating less to protect themselves from pain. The lower-desire spouse feels pressured, which makes them want sex even less. It becomes a dance of pursuit and withdrawal that leaves both spouses feeling unloved.

Scheduling sex sounds like a solution, but it often backfires. The lower-desire spouse feels obligated; the higher-desire spouse feels like it’s a chore, not a connection.

4. Physical Health and Medical Issues

Chronic illness and pain change everything about your relationship with your body. Hormonal changes—menopause, testosterone decline, thyroid issues—directly affect libido and arousal. Medications for depression, blood pressure, and other conditions often list reduced sex drive as a side effect.

Sexual dysfunction itself—erectile dysfunction, pain during intercourse, difficulty with arousal—makes something that should be pleasurable feel like a problem to solve or avoid.

These are real, physical causes that require real, medical solutions. No amount of conversation or connection can fix what needs a doctor’s attention.

5. Mental Health Challenges

Depression doesn’t just make you sad—it makes you numb. The libido drops. The energy for connection disappears. Everything feels like too much effort, including intimacy.

Anxiety creates its own barriers. Performance pressure. Fear of rejection. The inability to be present because your mind is racing through everything that could go wrong.

Past trauma—childhood experiences, previous relationships, assault—shows up in the bedroom whether you want it to or not. The body keeps the score, and sometimes that score interferes with present intimacy.

Body image issues make vulnerability feel dangerous. If you hate how you look, getting naked with another person feels exposing in all the wrong ways.

When mental health challenges are driving the sexlessness, “trying harder” isn’t the answer. Professional help—therapy, medication, or both—often is.

6. Pornography and Outside Sexual Outlets

This one is personal to us.

Tony struggled with pornography for 18 years of our marriage. And here’s what most people don’t understand about porn’s effect on a relationship: it rewires how the brain responds to arousal. It sets unrealistic expectations. It creates a secret life that erodes trust even when the spouse doesn’t know the details.

The spouse who discovers their spouse’s porn use often feels replaced, not just rejected. “Why would you look at that when I’m right here?” It’s a profound wound.

But beyond the trust damage, porn use often reduces desire for real intimacy. The brain gets conditioned to pixels and novelty rather than the messy, vulnerable reality of sex with a person who knows you.

Recovery is possible—we’re proof of that. But it requires honesty, professional help, and often a complete rewiring of sexual expectations.

7. Technology and Distraction

Your phone isn’t having sex with your spouse. But it might be preventing you from doing so.

We’re always connected—to work, to social media, to news, to everyone except the person in the same room. Screen time replaces quality time. The device in your hand becomes more engaging than the person next to you.

The slow erosion of presence and attention doesn’t feel dramatic while it’s happening. But one day you realize you spend more focused time scrolling than you do looking at your spouse’s face.

8. Loss of Attraction

This is the one nobody wants to talk about. Weight gain, aging, physical changes—they happen to all of us. Sometimes a spouse’s attraction genuinely decreases.

More often, though, what looks like physical attraction loss is actually emotional disconnection in disguise. When you’re not emotionally connected, it’s easy to blame the body changes. When you are connected, those same changes feel irrelevant or even endearing.

Hygiene and self-care lapses can play a role too. Not making effort for your spouse—when you used to—can feel like a message: “You’re not worth the effort.”

The answer here isn’t usually a gym membership. It’s an honest conversation about what’s really going on.

9. Infidelity and Betrayal

When trust is shattered by an affair—physical or emotional—intimacy becomes nearly impossible.

The spouse who was betrayed protects themselves. Being vulnerable again with the person who wounded them feels dangerous. And if the affair is ongoing, marital intimacy often disappears entirely—there’s simply nothing left to give.

Even after an affair ends, the recovery process is long. Triggers are everywhere. Trust rebuilds slowly. And sometimes the betrayed spouse needs significant time before they can even consider physical intimacy again.

This is one cause where professional help isn’t optional—it’s essential. Marriage coaching provides the structure and accountability that recovery requires.

10. Different Expectations and Poor Communication

You assume your spouse knows what you want. They assume you know what they need. Neither of you has actually said it out loud.

Sexual expectations often go unspoken for years. What counts as “enough” sex? Who initiates? What kinds of intimacy matter? What feels good and what doesn’t?

The awkwardness of these conversations compounds over time. The longer you go without talking about it, the harder it becomes to start. And so you both keep guessing—and getting it wrong.

Why Most Couples Have Multiple Causes

Here’s the uncomfortable truth: your sexless marriage probably didn’t happen because of one thing. It happened because of a chain reaction.

Life stress leads to exhaustion. Exhaustion leads to less sex. Less sex leads to resentment. Resentment leads to emotional distance. Emotional distance makes sex feel impossible. And the cycle continues.

One cause creates another. By the time couples recognize the problem, there are multiple cracks across multiple pillars.

This is why treating just one cause often reveals another lurking behind it. You address the resentment, only to discover there’s a desire discrepancy you’ve never honestly discussed. You talk about the desire discrepancy and realize there’s unprocessed grief from a loss years ago.

The 6 Pillars of Intimacy® framework helps because it gives you a diagnostic lens. When you assess all six pillars—emotional, physical, financial, spiritual, recreational, and sexual—you can see where the cracks actually are, not just where they’re showing up.

How to Identify YOUR Cause

Before you can fix it, you need to understand it. Ask yourself:

When did sex start declining? What else was happening in your lives then? A baby, a job change, a loss, a move? The timing often reveals the trigger.

Is the issue desire or access? Do you not want sex, or do you want it but can’t seem to make it happen? These require different solutions.

Are other forms of intimacy also suffering? If you’re not touching, not talking deeply, not having fun together, not praying together—the problem isn’t just sexual. Multiple pillars are cracked.

Which pillar feels most broken? Be honest. Is it emotional connection? Physical affection beyond sex? Financial tension? Spiritual disconnect? Loss of fun together?

Your answers will point you toward where the work needs to begin.

What To Do After You Identify the Cause

The cause determines the solution.

Emotional causes (resentment, disconnection, roommate syndrome): Start with rebuilding emotional intimacy. Daily connection. Processing old wounds. Intentional conversations that go deeper than logistics.

Physical/Medical causes (hormones, pain, dysfunction, medication effects): See a doctor. Address medication side effects. Rule out health issues. Some causes require medical solutions.

Circumstantial causes (life transitions, exhaustion, schedules): Create margin deliberately. Seasons only end if you choose to end them. Prioritize what matters.

Communication causes (different expectations, unspoken needs): Have the conversation. Use resources like our 101 Questions book to go deeper.

Trauma/Addiction causes (past wounds, porn, affairs): Professional help isn’t optional. Therapy for individual healing; coaching for the marriage dynamic.

The danger is treating the wrong cause. If the problem is resentment but you’re focusing on scheduling more sex, you’ll keep hitting the same wall. Diagnosis comes before prescription.

Frequently Asked Questions

What is the #1 cause of sexless marriage?

Emotional disconnection. While it shows up as lack of sex, the root cause is usually loss of emotional intimacy and safety. Couples become roommates emotionally before they become sexless physically. The bedroom reflects what’s happening in the relationship.

Can a sexless marriage survive?

Yes, but only if both spouses are willing to address the root cause together. Ignoring it leads to growing resentment, increased affair risk, and eventual divorce consideration. Survival requires action—not just waiting for things to change.

Is it normal for married couples to stop having sex?

Common, yes. Normal, no. About 15-20% of marriages become sexless at any given time, but that doesn’t mean it’s healthy or inevitable. Most couples who address the underlying causes can rebuild intimate connection.

How do you fix a sexless marriage?

First, identify the cause (or causes). Then address them systematically—emotional causes require emotional reconnection; medical causes require medical attention; communication causes require honest conversation. For persistent patterns, working with a marriage coach accelerates the process.

Why do husbands lose interest in sex?

Common causes include stress, depression, low testosterone, pornography use, feeling emotionally disconnected from their wife, or unresolved conflict. It’s rarely about physical attraction and usually about something deeper—often things they haven’t been able to articulate.

Your Next Step

Understanding the cause is critical—but it’s only the first step.

Here’s what we want you to take away:

• Most sexless marriages have multiple contributing causes, not just one. Check all six pillars.
• Sexual disconnection is usually a symptom, not the disease. The root cause is often somewhere else.
• Change is possible. We’ve lived it. We’ve watched thousands of couples rebuild what felt broken beyond repair.

If you’ve tried figuring this out on your own but keep hitting the same walls, consider working with Alisa directly. Sometimes you need a guide who can see the blind spots you can’t see—someone who’s been there and can help you build new patterns together.

Apply for marriage coaching and get personalized help diagnosing and addressing YOUR specific causes.

If you want to start with understanding the full framework, The 6 Pillars of Intimacy® book gives you the diagnostic tool we use to help couples identify which pillars are cracked.

Your marriage didn’t become sexless overnight. Understanding why it happened is how you start to reverse it.