To find the blue zone, you need to go into people's homes. You need to stop long enough to see detail and to get a feel for what it's like to live in these places—to see how they cook, to see how they downshift, to see how they live out their purpose, to see how they connect socially. There are all these, sort of, non-food characteristics that account for as much of their longevity as eating beans or tofu.