Exercise Incentive
Unlike most girls, my clit doesn't work. It in fact hurts a lot when it's touched. So, one night while I was watching a movie, I thought some exercise was in order, so I did crunches. After about half an hour (which was unusually long), I realised that it started to feel pretty nice. And before I knew it-third orgasm of my life! I haven't been able to do it again, but it was pretty blissful.