I'm 100% bottom, but I know how to please and keep a man. A hot bottom:
(1). MUTUALITY. Is not too demanding, and realizes sex is a SHARED activity and it isn't ALL about the bottom.
(2). SPACE. Isn't too clingy, smothering or otherwise a wet-blanket. Give a man his space. Don't mother him, unless he's got a cold.
(3). F HIS BRAINS OUT. Finds the one "kinky" thing he loves, that he's afraid to admit, and do it. Even if you don't like it. Ass to mouth? Guys wearing jocks? Dirty talking? I don't like any of those things, but my guy does, so I do them with enthusiasm. If I won't, he can find thousands of guys who will.
(4). GIVE. Be willing to apologize and let him win sometimes. Generally, if you feel like you're doing 60% of the sacrifice and work in a relationships, things are actually balanced--because humans naturally think they do more work than they do. I'll be damned if I let a guy dictate to me, or run me. But relationships ARE work, and you can't win every argument. Yes we can watch your (stupid) movie. Yes we can order in Chinese tonight (even though I want pizza). I'm very demanding, but I constantly remind myself it's NOT all about me.
I'm not perfect--I'm far from it, but guys--even adamantly "I don't do relationship guys"--always fall for me and happily stay with me. The only time my relationships have ended is when I move (college, to law school, to work, etc).