Well, that is what we did - I got up at night and he tried to sleep.

DH had an office job and a commute, needed his wits such as he could maintain them, and I walked around in a fog. That is better than two people walking around in a fog which is the other main option.

The whole 50/50 can fly right out the window in the face of reality. So can all the well laid philosophies and plans.