yeah it's totally true that he may not know. As Dawn pointed out, I am wildly speculating from my vantage point and it's not helping anyone.
It's all good. The term red flag is so miss over used anyways. We are all middle age people with past relationships and traumas.
Time to put your ex in the rear view mirror and get ready to Bumble! I can't stress to you how may intelligent, attractive women are in your area that are looking for a in shape, non-addict, non-mental health dude. Like shooting fish in a barrel. lol