I have to ask, did you tell anyone about that night? It may be a good idea to talk to someone about it. And you are right, true friends do not do things like to a friend. You have every right to be mad at him. But do not do anything to get back at him. That will make everything worst for you. If he try to talk to you again, make a note about it and tell someone. I really do hope that everything works out for you and that he will leave you alone.