I am teary reading your post. I am in awe of how strong and healthy and whole you are. I hope to be there myself one day. It must be so hard to be sharing moments that are good with your ex and still know that he is not good for you. I don't know that I would be strong enough to stand firm if I saw my ex improving (no hope of that so it's a hypothetical). I am going to save your post in my personal folder on my computer so that if a day comes that I doubt my decision to be done with my ex I can read your eloquent post.
Thank you for this post.