I feel like I'm not satisfying him.

so, my boyfriend and I have been having sex for like the past 5 months. everything is great and all, but I feel like I'm not satisfying him ! I always come and he does too, but when it comes to flirting before having sex, I feel like he does the whole work while I lay on my back enjoying ! the think is that I've always had these fantasies about pleasing him, but when we get together, I can't do any of the things I wanna do to him !

HELP ! !