The plot in 90210 handles it: when the wife fancies the yoga instructor, it’s an uh-oh moment but she is not evil. Feelings are not wrong in themselves: most people who fancy someone while married don’t kiss the other person. So, when she does kiss him, she realises that her marriage is over and goes home and tells her husband that she is leaving.

We don’t hate her, and, in her case, the husband wasn’t even abusive.