I am a 21 year old college student. I have been with my boyfriend for almost two years and recently I have noticed that I don't want to have sex nearly as often as I used to. I find this strange because I am young and I seem to have no real reason to feel this way. I am perfectly healthy and very much in love with my boyfriend. I can't understand why I don't want to have sex as much anymore. The only thing I have changed about my body or my routine in the past year or so is that I began a birth control regimen, but I don't know if that has anything to do with it. Can anyone help me figure out why I may feel this way and what I can do to help it?