I just read through this thread and my hearts breaks for you. I can relate to you on so many levels. I will keep you in my prayers that this loneliness you feel doesn't last long. I am just starting on my first official week of real separation and the hope is small, very small, and I wonder if it's good to hold onto hope in situations like ours. After reading your story, I just don't know.
The good news is you seem like a great dad, and that fact can never be taken from you. Keep doing your best daddy work, and take care of yourself. I will be rooting for you.
Me 35 H 45 M 12 T 13 S16, S11, D7, D5 IDTB (I dropped the bomb) 9/30/15