9. The relationship is in a rut and he wants some excitement.
“We dated for a long time, so it all felt kind of routine. I got caught up in a passing impulse.” Some guys start cheating because they’re bored with a relationship that has lost its excitement. It may not seem intuitive, but perhaps the longer you date, the more likely his attention will wander. You both need to put effort into maintaining the attraction you have for each other by keeping it fun and exciting.