Well, for one thing, it shows what he'd be like if you ever got your own place together!!
Personally I don't think it's acceptable. If you are a social person yourself then you are entitled to want to spend quality time out with your man. It'd be different, of course, if you were a couch potato. I don't see how you can share interests if you can't even talk about shared times together. You need to get tough and tell him that you won't stand for it.
Have you spoken to your mother about it? She may have her own opinions of the situation and give you some advice. Either way, if you are going to confront him then it may be worth giving your mum the 'heads up' so that she knows there is an issue. You'll need her support.