Well, on the sex part of things, it wouldn't come as much of a surprise if it turns out that the lass I'm into (make or break situation in two weeks, so maybe nothing'll happen after all) would want to wait until marriage before that, and while it would be disappointing since Im 20 and haven't experienced it (and mainly due to that it could potentially block it out for the next few years) I wouldn't consider it as a dealbreaker. She's worth it.
But then again, I don't consider myself to be as horny as other lads, so meh.