Everybody has a choice...and you just made yours by breaking up with her. She's feeling desperate, and she is on the stage of Anger. She's not your responsibility, and she should be aware of all the effect of the choices she makes. You can't expect a breakup to end up as good friends. give it time. Stop communicating with her. 95% of things we worry doesn't happen at all. Whatever happens to her, it's not your problem. She made a choice, and you have to accept it. I know you still care for her, but there's no point in holding back something that would make you feel miserable. Forget about her. She's already starting to forget about you, but you're still on the stage of denial and can't accept the fact. Be a man! Stand up.