Over the many years I've written about relationships, the 'My best friend slept with my husband/wife' story is one I've heard ...

I didn’t even know he was married, let alone to her. By Kwame Anthony Appiah Kwame Anthony Appiah has been The New York Times ...

Infidelity often destroys monogamous marriages by shattering trust between spouses, a cornerstone of lasting unions. Even ...

Dear Eric: My hubby and I are in our late 60s. Starting in our 30s, we had a large group of friends, with whom we spent many fun weekends together. It was so much fun, and we all treasure those days.

Dear Eric: My hubby and I are in our late 60s. Starting in our 30s, we had a large group of friends, with whom we spent many fun weekends together. It was so much fun, and we all treasure those days.

Among the many relationship taboos modern society has loosened its grip on—age gaps, unconventional bedroom kinks, whatever’s happening with Benny Blanco’s feet—cheating remains one of the few that’s ...

Q. I don’t know what to do about my friend. We were roommates and I loved our friendship. We were super close. And then a few months ago I found out that she was knowingly getting together with a man ...

Shania Twain may not have forgiven ex-husband Mutt Lange for his affair, but she’s not letting it keep her down. “Forgiveness is in the family of letting go,” she said in the most recent episode of ...

Dear Eric: My hubby and I are in our late 60s. Starting in our 30s, we had a large group of friends, with whom we spent many fun weekends together. It was so much fun, and we all treasure those days.

Dear Eric: My hubby and I are in our late 60s. Starting in our 30s, we had a large group of friends, with whom we spent many fun weekends together. It was so much fun, and we all treasure those days.