9 Unforgivable Lies that Make Guys Decide to Break Up

3. She said, “I’m serious!” and then added another layer of lies on top of the one I already knew about.

“It made me think, ‘she’ll probably be trying to pull the wool over my eyes like this forever’ and my feelings for her faded at that point,” said one guy. Telling a lie to cover up another lie is more than enough evidence for him to peg you as a pathological liar. If he finds out you’ve lied about something, apologizing from the heart is the only way to prove you’re sincere.