[taylalatbh.]

Sounds like both these people aren't very nice and you shouldn't waste your time on them. He's very mean for trying to make you have sex at 14 (which I personally feel is way too young) and she's a horrible friend for sleeping with your ex.

As much as you feel like you still have feelings for him, I don't think you should act on them. He's clearly not a nice guy, and not a loyal boyfriend so why would you want to date him? If he's left you once and had sex with your best friend, then chances are he'll do it again. Try and find yourself a nicer boyfriend, who doesn't sleep with your friends.

As for your best friend, I would probably cut her loose, too. Sleeping with your ex is a horrible thing for a friend to do. I wouldn't want to keep someone who does that around.

All in all, it's down to you what you want to do, but that's what I'd do.