I'm sorry to hear that he's not taking his meds. Sounds like he had a very emotional time of it today. I'm sure it was draining for you too.
Keep your boundaries in place, do not waiver from them. If you give them an inch, they'll take a mile when it comes to boundaries.
I hope you feel better tomorrow. This stuff is very stressful on the lbs too.
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.