My sister's wondering....

If he's 18 than yes :/

18 and slept with 22 girls! geez, that goes past womanizer that makes him a man whore!

Hell yes.

If this is true, then this guy is clearly insecure and using sex as a way to make himself feel better. But honestly, as a guy, I really think he is lying, guys like to exaggerate a lot of things especially when it comes to sex, so don't take what he says at face value. He could be just bragging to make himself look like a stud in front of your sister but deep down he is just an insecure little boy.

Oh yes. But nobody should end up with guys like that. But it does happen to the best of us. Just stay away from those type of men. He probably only wants sex. And dudes like that end up getting girls either heartbroken или pregnant.