Yes I agree with Tomato, like some of us said before, this is the time when a lot of the spouses jump on the band wagon and then the spouse who has dipped his toe in pulls back. So it's important for you to not write back right away and think this through and respond in a day or two or three.
"When do you expect to move back down?" What does he mean by this?
Did he leave you or did you leave him? (I thought he left you, but did you move away?)