I read your last 2 posts here as well as the last exchange we had on Paco's thread. I haven't been following your posts before, but from what I read this week, I think I get a sense of where you are.
First, I'm sorry for what you've been going through.
Despite what I wrote on Paco's post, I really admire what you've been doing. I know how difficult this can be. The fact that you were able to take an honest look at yourself is a sign of great courage and wisdom. After my W's BD, I went through the same process and have been working on myself since then.
What is curious, however, is that your description of how you acted when you were hurt during the M resembles how my W acted as well. Yet, in my case, she is the one who left. I always assumed that her way to become "emotionally detached" and close off (to use your own terms) is what changed her feelings toward me.
Anyway, you seem to be doing the right things to be able to rediscover yourself and be happy in life. I wish you the best of luck in your journey
Me:49 XW:41, M:18 years, Kids: S18,S14 BD:JULY 2017, W moved out: DEC 2017 Filed for D: APR 2019, D Final: JULY 2019