Have you two ever had a conversation about what each of you should expect to happen or what things would be like if you went to Alaska?
And about his "amnesia", my H still does not believe he has done anything wrong, either.
Why does it not appeal to you to be able to go back to LA when the lack of sunshine gets to you? It is a concession on his part, somewhat to tell you that it is an option, isn't it? That he knows it may bother you and you will have to have an escape occasionally.
I'm not saying you have to go live up there, but if he won't go where you are and you won't go where he is, then what happens? L