Oh my! I'm not surprised he's got issues with his stomach. He should be asking himself why his stomach is the way it is. The guilt is really getting to him.
See if your daughter can get a rid w/someone else who is meeting up w/her friends. If not, she's going to have to stay home this one time. She's been a very lucky lady to have someone to drive her places, but there are times when plans have to be changed.
I'm sorry you are having to deal w/this mess.
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.
