A) He genuinely wants to recommit - I would be careful if he still puts blame on you for "what happened" - not a good sign
B) He could be just "cycling" or peeking out of the tunnel if you will and he could still go back
C) He may still be as confused as before and just trying what he didn't try before (reconciliation) to see if it will solve his inner struggle.
D) This ultimatum - either it works or I'm moving to France kind of "smells" of MLC-still-going-strong
But don't let that discourage you if you want to give it a try. At least he is saying that he wants to come back, how many times you see that on this board? Take it slow if you decide to "trust" him. I wouldn't let him move back home until you do some work together (MC) and you are pretty sure that it will stick. For your sake as well as for the kid's.
M53 H54 D17 M33Y T38Y Bomb OW 09/09 OUT 10/09 BACK 11/09 OUT 01/10 WANTS TO R 04/10 BACK with OW 05/10 Wants to Reconcile 05/11 I said NO