I need more confidence

My sex life has been going down hill. I used to be so into sex and I used to not care so much about how I look. I know that I'm part of the problem, but my boyfriend has also been making me feel less attractive. He used to moan and make pleasurable noises, but now I don't even know when he finishes because he doesn't make the sounds he used to. When I'm on top he just pulls me down and does all the work. It makes me feel like he doesn't like what I'm doing even though says that he does. He doesn't even look at me the same way and it makes me feel like he's not as attractive. I don't feel comfortable in the bedroom anymore. Perhaps it's my lack of confidence that is turning him off. I don't know what to do to