I'm in a 90% -10% relationship, I feel like I do everything and every time I try to talk about it nothing ever gets solved. What should I do .?

I have a boyfriend that seems to think he does his half in our relationship. But if you actually look at the picture he really only does 10%. The things he wont do is 3 times as long as the things he might get around to. I try to talk about it now and then and he just gets offended and says he does more then his share. but 3 out of 7 nights a week I come home 2 a dirty house and unfed cat while he is out having a drink with his friends… I never get to do the things I want to do because I have a cat to look after and chores to do. I’m getting pretty sick of doing everything and things need to change but I don’t know how to fix things with out getting no where in our conversations. I just want some time to myself to do the things I wanna do. What should I do?.