You owe it to him to give it great thought; which you have
He owes it to you to give your feelings the same thought.; has he??
If I were in his shoes; I'd very much want to move but if my SO was very much against it; gave it proper consideration; etc, then I wouldn't take the job. But that's just me. For some, work is just as important as relationships
"Oh Lord it's hard to be humble, when you're perfect in every way. I can't wait to look in the mirror, cause I get better loking each day. To know me is to love me, I must be a hell of a man. Oh Lord it's hard to be humble, but I'm doing the best that I can." Mac Davis