If you are questioning him and his behavior seems out of place, then he is probably cheating. Usually, you just get a feeling something is not right. Follow your instincts, and confront him about it, and then talk it through. By the end of your conversation, you should have an understanding of what you need to do.
He isn't cheating on her.
Try, I don't know, NOT CHEATING.
Justin Bieber is not cheating on her.
you will know if your cheating when you are dating someone and dating someone else at the same time.
The Patriots did not cheat. Therefore they could not have known they were "cheating".
If they know about each other then no, it's not technically cheating.
Ask her if shes cheating on you! Nah im kidding i dont know sorry ? :( and im a guy
Most likely in the same ways that you might know she was cheating with a man. It could even be less obvious, though, especially if she was cheating with one of her female friends.
Follow her
Ask her.
ask him
atitude