There were two things going on: 1) I had already established in my own mind where I wanted to go with the next series, and having James around as a Grey Eminence would have complicated matters. He had had an amazing life and it was time to bid him good-bye.
Cooking allows you to have travels, adventures and journeys without going anywhere. The running joke between my partner and me is that I'm not really concerned about how long it takes, or how much I destroy the kitchen, because I just have such a good time doing it.