I have an ex who is in the midst of a drug crisis, but I feel like I should just ignore him.
That sounds like a tough situation. Why would you refuse to help your ex?
I could give him advice, but I honestly don't even want to do that. I've already done so much for him, and he constantly turns to me for help.
It is ok to break ties with an ex, especially if they are always coming to you and stressing you out. It seems you have done your best to help them, but dont feel bad if you dont have anything left to give. It gets to a point where you have to put yourself first sometimes.
I don't think I'm quite ready to break ties with him.
That's wonderful then you still want to try to help them out with their problems. I'm sure they would appreciate everything you do, even though you can't always be there. Your health matters too, and you shouldn't overwhelm yourself.