There are many reasons why men cheat. Some do because they don’t feel connected to their spouses. Others cheat because they love the thrill of the chase. Then there are those guys who become unfaithful just because they can. Don’t wait around for your own husband to give you an excuse. Scroll through the gallery to find out how you can keep third parties out of your relationship.

PHOTO: The Time Traveler's Wife/Cinestar (2009)