Movies about affairs and cheating can be scary thrillers or cautionary tales and aren't always just about physical attraction ...

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. Infidelity can deeply destabilize a relationship, leaving both ...

Infidelity is very common in romantic relationships. A recent study examining rates of reported extramarital sex in a US sample of over 22,000 people from 1991-2018 revealed that 16.48% of respondents ...

In an insecure relationship, it can be hard to recognize the signs of cheating. Featured Video One relationship expert has taken to social media to lay out five signs that a partner is being ...

One woman revealed that her husband had cheated on her with her mother while she was pregnant. Another lamented the fact that ...

Americans have an odd mix of condemnation and prurient interest in cheating. Even though research shows that most of us believe cheating is wrong, we still click through to stories about celebrities ...