Sounds like a head-case if i read it properly.

Could just be an emotional episode, if she's serious, personally, I'd leave her.

Note I didn't say ignore or cut contact. Do you want someone who's going to pull these kinds of cards on you in a relationship? The whole "Ah suddenly there is a problem with you" thing.

If you want her; Phil's advice is good. But everybody knows how hard it is to take the right advice!