I wonder if that could be why he is dragging his heels about getting this house on the market.
It's not as simple as that, but it could be a piece of the puzzle. Change is difficult, you can't CONTROL all the variables.
If I were in his place I would be confused as to what we were trying to accomplish with the move. (I understand a bit), but are we/you chasing something or running from something? Will the move solve problems or create them?
I am not expecting answers to these qustions, I'm just tring to point out that this may well be a bit confusing. What is going to be accomplished by moving?