If you can keep that dynamic up, I think you will be in great shape.
Just keep this in mind; he will pull back and say/do things that indicate that he's done with the R, so don't panic.
1) Never commit to any decision on the spot. You need to learn to say "I'll have to think about it and get back to you." when in doubt.
2) Along the same lines: if you're not sure a decision is a good idea, wait at least 48 hours. If it still sounds like a good idea, then go for it.
When and if he come back to the idea of moving back into the house, don't agree to it until he commits to marriage counseling.
Me: 44, Wife: 39 M: 17 years T: 20 years Bomb on 08/25/09 1/13/10: MC started 1/28/10, 2/8/10: More bombs 8/28/10: Wife moved out No talk of D, no movement