I've become good friends with Girl A. I think I could possibly marry her. I don't really feel a magical spark with her, but we're just great friends, get along super well, enjoy the same things, are both active, etc. I am attracted to her physically also, but not to the extent of Girl B. Girl B doesn't have much potential for a serious relationship as far as I can tell. I like her, but I don't think we'd be good long-term partners. I am, however, VERY attracted to her and would pursue her hard if not for Girl A. Girl A is currently looking for guys, and I think that if I get tied up with Girl B, my window of opportunity will pass, and since Girl A could end up being my wife, I don't want to let her get away.
Of course what'd be best for me would be to fool around with Girl B and then get Girl A, but I'm not sure that's really feasible. It doesn't help matters that all three of us are within the same circle of friends and see each other regularly.
Anyway, I'm not sure if I should try to have a short term fling with Girl B and then pursue Girl A, or just not mess around with Girl B at all and go after Girl A right now since she's currently available and could be my future wife.
What do you think?