How can I make this better?

Lauren

I've never been into anal but my boyfriend loves it so I said I would be ok with it if I got my ass used to it so it doesn't hurt anymore. So it doesn't hurt now as long as there's lube but I generally hate the sensation of it. I just always feel like I have to poop. Everytime I'm convinced he's gunna pull out and I'm going to go EVERYWHERE. Even if I got over that feeling, what's worse is that sometimes he wants me to give him a bj right after. Like sometimes I can smell/taste my shit on his dick and I'm just so grossed out but I think that turns him on or something! Anyways how can I get used to this, should I use an enema everyday or something? Is that even healthy to do everyday?