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Why We Cheat: A Therapist's Insights on Infidelity and Healing

A man sits across from me in my office, visibly tense.

March 06, 2026 4 min read

A man sits across from me in my office, visibly tense. He describes worsening anxiety, sleepless nights, and chest pains that sent him to see a cardiologist. The tests came back normal—his heart was fine—but the unease persisted. As we dug deeper in therapy, the truth came to light: he was living a double life. His affair, hidden from his wife, was slowly unraveling his peace of mind and his family.

Infidelity isn’t just about betrayal; it’s about the choices and patterns that lead people to compromise their relationships and themselves. It destroys trust, fractures families, and leaves scars that can last a lifetime.

Why Do We Cheat?

Infidelity is often rooted in deeply ingrained patterns of human behavior. From an evolutionary perspective, men and women cheat for different reasons. Men are biologically wired to seek visual cues of fertility, often driven by instinctual desires. Women, on the other hand, are more likely to stray when there’s emotional dissatisfaction or a lack of security in the relationship.

That said, exceptions abound. Childhood trauma, low self-esteem, or substance use can override typical patterns and lead individuals—regardless of gender—toward infidelity. These factors often create vulnerabilities that compromise judgment and boundaries.

Gender Trends in Cheating

Historically, men have had higher infidelity rates, but recent data shows an increase among women. This change may reflect greater financial independence and evolving societal norms. Yet, the motivations still differ: men often cheat due to visual attraction and opportunity, while women are frequently driven by emotional dissatisfaction.

One of the “RoBards Rules” I often share with clients is that three situations can break a marriage without either party at fault: having kids, working on a split shift, or frequent travel for work. And the golden rule? “Don’t drink in mixed company without your spouse.” Time and again, I’ve seen this scenario—where one partner’s absence or distraction opens a door that eventually leads to infidelity.

A Familiar Story

For the man in my office, his infidelity wasn’t just a betrayal—it was the root of his anxiety and physical symptoms. Therapy helped him see the connection between his choices and his struggles. The double life he thought he could manage was unraveling his peace of mind, his marriage, and his family’s stability.

During a pivotal session, he voiced all the usual regrets: he felt bad about cheating, wished he could undo the harm, and expressed deep remorse. But his words masked a deeper truth. As I told him, the real breakthrough wasn’t about feeling regret—it was about recognizing that he had avoided taking responsibility for the health and wellbeing of his relationship. He wasn’t prepared to hold himself accountable, and his avoidance was at the heart of his anxiety and the disintegration of his family.

The Point of No Return

When one partner has emotionally checked out, it’s often too late to save the marriage. A common scenario I see in therapy is when, say, the husband discovers his wife’s infidelity, and only then does he make a turnaround—becoming attentive, committed, and willing to work on their issues. But by that point, as I explain to clients, “the time of death has already been called.” The wife has emotionally moved on, and therapy becomes about finding ways to “crash-land the plane” together, focusing on co-parenting and respectful boundaries.

Therapy’s Role

Therapy isn’t just about managing emotions—it’s about uncovering the root causes of behavior and addressing them head-on. In cases of infidelity, it offers a path to accountability and healing. For couples, it provides a space to navigate the aftermath of betrayal, whether that means reconciliation or respectful co-parenting.

Conclusion

Infidelity is one of the most challenging issues a relationship can face. It brings pain, distrust, and often heartbreak. But it also brings an opportunity for self-awareness and growth. Through therapy, individuals and couples can find clarity and healing—whether that’s rebuilding trust or finding closure to move forward separately.

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