I think being horny isn't an emotion. It's a shield that hides other emotions, like pain, sadness and loneliness. Also, it's a habit.
Too often, we take feelings at face value, and that would be fine if we hadn't been sexually used and abused.
If I were you, I'd think hard about how you feel and what you avoid when you're feeling horny. Also, I'd relax overall about it, because, hey, it's just sex. Plus, I'd try to accept your sexuality as it is... with an easy heart. I'm trying to do this for myself. It's not always easy, but I think it's important to do.