Treese, The comments about the car....let them go. He doesn't know which end is up. His memory is mush.
He heard what you had to say about your daughter's senior photos. He just can't look at you...it's typical of those in crisis.
Count to ten whenever dealing w/your adult child.
Stay busy and have fun while doing so.
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.