It doesn’t leave lipstick stains or hotel receipts, but emotional cheating can quietly dismantle a relationship long before anyone admits what’s happening.

When you have a friend who is doing something wrong, it can be difficult to know whether you should call them out or not. What would you do if your friend was cheating on her boyfriend, and even ...

How to Do It is Slate’s sex advice column. Have a question? Send it to Stoya and Rich here. It’s anonymous! Dear How to Do It, I have been seeing my boyfriend “Roger” for about six months now. However ...

Dear Abby: My 18-year-old daughter recently broke up with her boyfriend. She caught him on the phone talking with another female, and there were other signs of his cheating as well. She’s devastated, ...

I went through my boyfriend’s phone and found out he’s been talking to his ex-girlfriend, who he told me he hadn’t been in contact with. He’s calling her pet names like “babe” and “sweetheart” — the ...

Denise from South Holland, Ill., writes: "My boyfriend and I live together and he provides for us both very well. However, he cheats. At first I was upset, I was crushed... But now, even though he ...