A. This is a tough one to call. Your joint future hinges on whether you are able to forgive him and whether he truly is committed to you. Yours is not an unusual scenario. He cheats, you are. 20. Constantly mentioning someoneor stopping mentioning them. When you’re into someone, you tend to talk about them all the time, often without really realizing it. If your boyfriend is cheating, it’s a weird irony that he might find himself ‘telling’ you about it by talking about his new interest all the time.