Be very careful. If he is still partying, still spending and has taken no responsability then this is not peicing. He is still out there and until he stops all of this childish adolesent behaviour then you have to protect yourself. Do not give him money to help him party.
He has the best of both worlds. He is cake eating. If you continue to let him do this he will go on like this. He needs to be held accountable for his actions.
You need to go on with your life. Do things for yourself.