I can't push it too fast but I feel pretty strongly that some of the DB techniques will make him feel rejected and unwanted...
Like what specifically? If you can understand and think thru the techniques it helps and you might be right in your feelings. So think thru it first, bounce ideas off here if you have reservations.
Cheers
M22,H45,W45 S21/18D12 Retain faith that you will prevail in the end, regardless of the difficulties and at the same time confront the most brutal facts of your current reality, whatever they might be.