He sounds, frankly, like a mental health mess. He can't afford a data plan with his phone? Joining a fringe group and becoming a featured speaker for them? Spending almost no time with his kids?
Sounds like you need to minimize contact with him and just focus on making your life fabulous.
I can understand you not wanting to date; single parenting two kids is tough. Dating takes energy that you may not have right now. But if you feel yourself retiring in general from people, you may be suffering from depression or PTSD. Make sure to take care of yourself.
Life can be unpredictable; an older friend of mine was in a difficult divorce. His wife left him for another man. The last four years he has pined for her and been stuck in the drama of their protracted divorce negotiations. He was in a lot of pain and couldn't really move on. This week he died in an accident. I can't help but think of all the wasted energy over the last four years, of all the joy he missed because he wouldn't let go.
