What do you do.....?

[Savannah5]

... when they say they think they want to come back?

My question is why? Why now after H's long-time affair, his moving in with OW, and horrible divorce? He has been throwing around hints for a while that the grass isn't so much greener on the other side. It just seems bizarro that after torching our marriage he could possibly want to come back. I'm just plain and simple torn...