I'm trying not to be upset
It's ok to feel upset - it's a feeling and feelings are what they are. When I try to not feel a certain way, I'm just stuffing it down. My feelings never stay stuffed, though. When I give myself permission to feel what I'm feeling, my life is better.
I don't know what my role is from here on in. I don't want to escalate the situation.
It's so difficult when we see our children making poor choices, my heart goes out to you,
Nevergiveupmom. It sounds like your DS is willing to give her another chance, nothing you can do about that, sadly. What you can do is take very good care of yourself and think about/implement boundaries that will protect you. Boundaries, as I've recently learned, are about what we will or will not do and not about what we want others to do.
Have you had a chance to look around the site? We've got some great workshops and one that comes to mind after reading your post is this one:
4.02 | Grieving Our LossesI never realized I was grieving, you're ahead of me there, mom.
~ OH