9 Unforgivable Lies that Make Guys Decide to Break Up

7. She said, “I’m going out with some girlfriends,” but then I found out she’d actually gone to a matchmaking party.

“No matter she says, it’s clear she’s interested in finding someone else, so I’m out,” said one guy. If your boyfriend finds out you lied to him to go to a matchmaking party, he’ll assume you’re either cheating or about to cheat, no matter what you say. If you feel obligated to attend this kind of event, either be honest about it from the start or craft a perfect alibi to make sure he never finds out. Those are your only two options.