I love that you were able to take a heavy conversation and turn it into a great all day outing!
Don't worry too much about his 6 month + timeline. It sounds like things are going in the right direction and now you know better what he is thinking and working on perhaps you can also work on 180s related to that.
The ptsd thing is interesting. I can't imagine what you could have done to him that could cause that but maybe he is just super sensitive..?
Anyway, good job Ss! And have a nice rest of the weekend!