You should realize that you're both too young to be in a relationship. Better at your age to be single and spend time with lots of different people.
break up with him?
Dump the bum.
this is what I call writings on the wall. you really have no power to control him. let him go if he wants
Dump him! Those are only the e-mails you saw....what about the ones you didn`t see?
Wash your Hair?