If you've ever been cheated on, it can feel like being hit by a freight train. Cheating represents the ultimate betrayal of one's trust. You give someone your heart, only to see it crushed by your partner's selfish, deplorable act. Cheaters can try to justify their behavior in a million ways, even though nothing in the world could excuse their infidelity. They might pin the blame on: Problems within their relationship  Heavy drinking Stress at work The other person ("they seduced me") Other factors they claim to have been out of control Yet, one of the key reasons people cheat in the first place is because they feel they won't get caught.  They tell themselves that they'll keep it to themselves, rationalizing that what their partner doesn't know can't hurt them. They get away scot free, and their partner carries on thinking they've both been completely faithful.  It's a win-win!  No, I'll tell you what it i...