She's literally just given birth. I'd imagine her career has been put on hold for at least a year.
You don't up sticks and move to London a week after the birth of your first child.
If this were all happening next summer, with 2 years left on his contract, his parter ready to start working, and him ready to look at the next part of his career, I could see it. But right now, none of it makes any logical sense If you stop and think about it for longer than 10 seconds.