The problem with settling for someone who just does it for you out of "giving", but not really enjoying it yourself... If you have a high sex drive, it's awfully difficult to convince yourself that you are going to be happy having sex for the rest of your life only with a person who is NOT interested, except just doing it as a chore for you.

Actually, I don't know couples like that make it last. It's bad enough to feel like your sexual desires are going to be an imposition on someone else. Not at all what I call erotic. Far, far, far from it.