Bf mom

My boyfriend mother is getting involved in our relationship. I don't feel welcome into there house(which he mostly pays for). His mother alway complains how am doing the smallest thing wrong. When I'm trying to help my bf get further in life. He becoming more independent and is making a get man out of himself. But his mother hates the fact that I'm with him. I talk to him about this. He just sit there and listen. Idk what to do