Gay Boyfriend Advice....?

I have had a boyfriend since April, He just graduated form highschool and I am going to be a senior. He asked me to prom and thats when we started dating. At first i didnt particularly like him but I knew he was sweet and began to develop strong feelings for him. I have always done everything I can to make him feel included in my life and feel good about himself. But he has treated me basically like his booty call for the past few months. He never asks me to hang out I always have to ask him to hangout, whenever we do hangout its either in my room or in the dark movie theater where we can makeout/do other things....Anyways, there have been COUNTLESS times where he goes to a concert or party and has not even thought to ask if I want a ticket or if I want to go to the party. The thing is, he never actually has asked me to do any of those things with him, he waits for me to invite him to hangout with my friends. His friends also treat me rudely, they texted me once from a party he was at and at first acted like I could come but then texted me saying "sorry, we made a group decision that you cannot come." stuff like this has been going on most of our relationship and I feel like dirt and he never appreciates me. But everyone likes him because he acts really confident and sweet, but although hes 2 years older than me, I dont think that hes mature enough to be in a relationship! I have talked to him twice about this and he has said he will change but obviously, men NEVER change. I like him alot and Im scared of the consequences of breaking up! Is it worth it to stay in it if I just feel bad about myself and he doesnt understand that?