Well done!
I have similar feelings. I've been divorced for over a year now and even just this weekend I had to let go, not respond, not rescue. It was easier then in the past when I'd be so distraught wondering what to do but it still felt bad. I know I can't go down that path or I'll get lost. To not respond to someone reaching out is hard and maybe I'll be able to do it someday, but not today, and while I feel mean I realize that I have to take care of me first.