Most Helpful Girl
I'm sorry, what a difficult situation to be in.
I agree with you, it is so unfair for her to take advantage of you and manipulate her way back into your life. She's mistreated you for a very long while and now expects you to be by her side? That's doesn't sound right to me.
As much as you care about her, you deserve to put yourself first. I'd only pay her one visit if she does become very ill and you feel it will give you peace of mind. Good luck.1