Also, to the OP,
Where I get off is not really a big deal for me. I mostly just kind of let who I'm with decide. What is standard, though, depends on what's getting me off. Like, if I'm getting head, I'll prolly either finish in her mouth or on my own chest/stummick. If we're having sex I'll prolly pull out and finish on her chest/stummick. It is my experience that most girls are not fond of facials, so I don't do those very often, but I have done once or twice. I think they are really hot, and it is definitely because of the whole domination/marking your territory thing.