Lou, Your h may have been feeling guilty about all of the mess he's created and felt the need to want to pay for your S20's flights. He wanted to come off looking like a good guy helping his son out.
I know it's difficult to try to figure out the why's of things when it comes to MIA spouses, but you can't. No one will ever know what actually goes through their heads on any given second.
Enjoy the time you spend w/your son and don't forget to breathe! Everything will work out in the end.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.
