There Are No Flies on Him! 9 Ways Guys Find out Their Girlfriends Are Cheating

2. Her secret lover acts suggestively on purpose


“He said something like, ‘Your girlfriend snores so loudly,’ and I thought, ‘What’s that supposed to mean?’” There’s always a risk that an adulterous partner will let something slip. It’s not as though you can keep someone quiet forever, so you need to think carefully about whether the risk is worth it in the first place.