Any thoughts?

OK so my bf and I have been together for almost five years now. I'm fine when he wants to wild I'm into it. Except a few things him trying to spit in my mouth. Just grosses me out. I know its in porn and stuff but its one thing that makes me cringe. He also grabs my belly and it makes me really uncomfortable. I have told him before but he says its because he really wants a baby. The last thing is I feel like every time we have sex he's just trying to pound the hell out of me when that's not what I want all the time. It totally turns me off I feel like he has only one mode to sex. Any suggestions?!!