6. He likes the thrill of the chase.
“It’s just a hunting game. (Laugh.) There’s no feelings toward the person you’re cheating with.” Some guys enjoy the instinctive chase of an illicit affair. If you catch him, make sure he knows exactly how painful it is for you. Hopefully, he’ll learn his lesson and his cheating urges will dissipate—whether you want to give him another chance is up to you.