1. Cut him off completely. Men hate feeling powerless and alone, but they love to have their cake and eat it, too. That's why they cheat — because they love the thrill of having some "fun," but at the end of the day, they want a girl to come home to. To really knock him off his high horse, end things with him. Once you discover he's cheating, find a great way to break up with him and reduce him to a begging puppy. Don't budge when he wants you back. 2. Get your body rockin'.