I'm glad you were able to come to a reasonable agreement. I just hope he sticks to it and doesn't allow a lawyer to change his mind.
How are you doing now that you've gotten this under control, so to speak? I know it's difficult to look at them and see the person you once knew and yet they aren't the same people because they are truly broken. Maybe he'll grow up and be a far better man, more mature and responsible than before. At least we can hope for that, can't we?
Please find some time to take care of yourself this weekend. I know you are worried about your mother and have a lot on your plate, but please, be pamper yourself just a wee bit. Okay?
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.