After reading the whole thing I think you should dump him. He sounds like an asshole and someone who is super loud and potentially sexist. Do I think your friends probably went into this with a bad attitude? Yes, but from what you say he sounds like a not so great guy, and that’s coming from the person who’s literally dating him. You’ve only been together for six months so this is a huge thing to happen during what should still be the honeymoon phase.