I have a similar problem and was considering posting my story, just to get some ideas for "home remedies." I dated a guy for 4 years, went on birth control towards the end of our relationship and had sex often, met my fiance shortly after the relationship ended. 6 months into our relationship I suddenly became disinterested in sex. I can't even become horny anymore, it happens maybe twice a month. I'm not even 23 yet and I feel sad for my fiance because we haven't even had sex yet. He's nearly 30 and wants it more than any 17 year old boy I've met.

I've been thinking my problem has to do with my hypothyroidism because that's pretty much the exact time I was diagnosed with it. I just don't know what to do. Medication may or may not help me, so I was looking for any supplements or whatever to help before I start hoping for meds to work.

I feel frustrated like you do- that it's unfair. Just know that it's more common than you think. Your body changes completely every 7 years, so at 21 (which is when I started noticing the same problem) you could be facing more medical problems than before. Not to mention life stress.