Of course he's nervous. He's not sure just how you are going to react to him being around. He's got to find a way to fix things and he knows you've had enough. You did some very nice 180's which threw him through a loop.
Hang in there. He's got some talking to do in the next few weeks. He's got to get it out there about what's going on in his head.
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.
