GM, I know it's hard, but you've got to rein in that fear before the anger sets something into motion that you can't fix.
Hopefully your lawyer will be able to alleviate some of your fears in finalizing the support documents, etc.
Try to relax this evening and pamper yourself a bit. You need to find a way to unwind a bit so that you can get a good night's sleep.
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.