This might sound trite, but I think you know in your answer.
It's still wait and see time. I think he reeled out some bait and didn't quiet get what he hoped for. Waiting and seeing how things pan out might be very wise. Don't chase don't allow him to eat too much cake and fall back into old habits.
You have come too far to just fold. Work to fix him comes from him. He might be testing the water but you I think need far more commitment than that. So being calm won't ruin that. It might speed him up if he thinks your really done.
M 46 h54 Both married before T 11y Bd 2/14 I must see where ow leads! Ms 18 hs 26