Over time, as adults, we develop coping mechanisms, strategies, action plans, for dealing with our own shit. Either we get pretty good at it, or we don't. When we're not very good at maintaining our own emotional boundaries, things begin to come out sideways.
Walk away from the burning building slowly and without panic. You didn't cause the fire, and you certainly can cure the fire starter. It's best to bless former date, wish them well, and step back into the fishing boat. Sadly, sometimes, even with a ton of potential, there's just nothing else to be done.
Divorce is hard. Dating after divorce is tricky too, and I've found some things I think are good indicators of how whole a person is, and how ready they are…
Everything is great. My kids are great. My ex is great. And my, you are great too. I'm so happy. I'm the most positive person most of my friends have ever met. I just radiate this positive energy. "You can feel it, right?" Stand back from Mr. Yes.