I think you're being catfished. Have you seen the show? This situation has many red flags of a catfish situation.

And best case scenario, she IS a she and everything she tells you is true. But----she has many horrible qualities and treats you very poorly.

I really hope you can move on. She may be intoxicating but you will only get emotionally burned in the end. And maybe physically injured, too, if she really is a nympho who sleeps around, God only knows what diseases she may give you. I don't think it's worth risking your health and future healthy relationships because of this woman. (I mean if the woman of your dreams later comes along but decides to give you the pass because you've got herpes or something like that.)