Sounds like you had a wonderful and positive experience. I agree with everyone, the fact that he accepted is a huge thing in itself.
I admire your patience and calm resolve Cas, just like Dia you know how to do things at a steady calm pace and it pays off.
I am sure that very slowly your H will come round and begin to initiate contact and then rejoin the family, as you say keeping the pressure off will be crucial, it's a bit like navigating a ship through icebergs, steady and with great care.
