how to tell my boyfriend to stop having sex with me everyday?

We have been together for a month now and everyday we have sex in his room under his parent's roof. I feel that we are.... idk getting to comfortable with each other to fast? What do you guys think? don't know what to do. I want to be comfortable around his family I feel bad that everytime i come over we just have sex. I have told him a few times that we should stop but he convinces to have sex. He his a good guy but i what to do then have sex all the time! I know he is not cheating nor is he playing me! any advice?