Mike,
Great letter/prayer to your W. I'm truly sorry for what you're going through. I emphathize with your pain, hurt and saddness. I'm so right there with you. Your sitch sounds very similar to mine especially how you blame yourself for the failed R. Your W's issues also sound uncanny similar to my WAW. While WAW hasn't had multiple A's, her one with OM/BIL (my sister's husband) is bad enough.
My Story

I thought there was no hope before today since she left 3 months ago, but after today's big D bomb there's absolutely no hope. So its time for me to keep preparing to move on with my life.

You are in my thoughts and prayers. Stick with DBing for no other reason than to get your life back on track and feel better about yourself.