Are Affairs Really About Sex? What I Learned as the Other Woman

Everyone has a theory about why people cheat, and almost all of them start and end with sex. He wasn't getting enough at home. She wanted something new. Keep your partner satisfied and they'll never stray. It's clean, it's simple, and it lets everyone feel safe.

It's also mostly wrong.

I spent years as the other woman, so I've heard every version of the "it was just about sex" theory. This week I sat down with Dr. Marie Murphy, a non-judgmental infidelity coach, and we took the whole thing apart.