Call him this morning and see how he's doing. He was having a very difficult night last night and it appears that the demons from his past have caught up w/him.
Unfortunately, there's nothing you can do to help him except be a friend and listen. He has to be the one to make up his mind and seek help. You can suggest seeking help, but he will not take the advice until he's ready to.
Please take care of yourself.
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.