Scroll social media and it can seem like infidelity is everywhere. TikTok alone hosts more than 350 million posts about cheating (Survey Center on American Life). What do the data actually show?
Perception vs. Reality
Nearly six in ten young women (57 percent) and 44 percent of young men believe infidelity is "extremely" or "very" common. Yet General Social Survey data show rates of extramarital sex have been relatively stable over the last couple of decades, with no compelling evidence of a dramatic increase (Daniel A. Cox, Survey Center on American Life, 2025).
Sociologist Deborah Carr's analysis of the GSS found that about 20–25 percent of ever-married men and 10–15 percent of ever-married women report having had sex with someone other than their spouse while married. The gender gap is narrowing among younger people. Meanwhile, about 80 percent of Americans say infidelity is "always wrong" (Carr, Contexts, 2010).
These numbers likely undercount the truth: one study found respondents were six times more likely to admit an affair under complete anonymity (Survey Center on American Life).
What Counts as Cheating?
Couples often don't share the same definition. In one survey, 88 percent of women but 73 percent of men said kissing someone else is cheating. And among Americans who said they had cheated, about one in five described it as exclusively emotional (Survey Center on American Life). Clear agreements about boundaries — texting, online relationships, emotional closeness — prevent painful misunderstandings.
The Warning Signs Before the Betrayal
Infidelity rarely appears out of nowhere. John Gottman's research identifies four communication patterns — criticism, contempt, defensiveness, and stonewalling — that predict the end of relationships, with contempt as the single greatest predictor of divorce (The Gottman Institute). The antidotes: a gentle start-up (talking about your feelings with "I" statements instead of blame), building a culture of appreciation and respect, taking responsibility for your part, and, when you feel flooded, taking a break of at least 20 minutes so your body can calm down (The Gottman Institute).
Can a Relationship Recover?
Sometimes — but it takes work. In a randomized controlled trial of 89 couples who disclosed an affair within the past six months, therapy produced large improvements in anxiety for both partners and moderate improvements in depression for the unfaithful partner. However, about half the couples dropped out (for reasons including an ongoing affair or separation), and relationship satisfaction did not improve sufficiently for both partners (Kröger et al., 2012, Behaviour Research and Therapy). A 2024 pilot trial that randomized 49 couples also tested Gottman Method Couples Therapy specifically for infidelity (Irvine et al., 2024).
The honest message: recovery is possible, healing personal distress often comes before healing the relationship, and ending the affair is a precondition.
What Couples Can Try
- Define fidelity together, explicitly, including emotional and online boundaries.
- Watch for contempt and disconnection — they are warning lights, not background noise.
- After a betrayal, seek a trained couples therapist rather than trying to process it alone.
- Care for both partners' mental health. Anxiety and depression are common after disclosure.
- Give it time. Trust is rebuilt through consistent behavior, not a single apology.
If you and your partner are struggling with this, you do not have to figure it out alone. Visit The Space Between Us, send me a message, or book a session through Alma or Headway.
Sources
This article is educational and is not therapy, medical, or financial advice. If relationship distress, anxiety, or depression is affecting your well-being, please reach out to a qualified professional. If you are in crisis in the US, call or text 988.