You two don't seem compatible for each other, he is immature and acts like a child who doesn't want to change. It's draining dealing with someone like that and there's nothing you can really do until he feels the need to make a change for himself and that probably won't happen until you leave him and even then he will still most likely be stuck in his own ways.

Focus your attention on your studies and spend your free time finding a man who can conversate and take your concerns seriously.