re: Just found out my best friend is cheating on his fiancee *Upd8 it happened again

The fact that your even considering telling on him is gaaah as frick. It's NONE of your business, you have no clue what she's doing 5 hrs away, and IF you absolutely can't keep your nose out of it try talking to him about ending it. Wtf dude, your a shitty friend. Is he being a dirt bag?! Yes, but as long as he's a good friend to you who gives a shite.