My diving trainer, Everett, has coached me all the way to the Olympics. Now I’m competing on a world stage for a gold medal. But when we arrive in Tokyo, my technique is off. I’m restless, aching—and I can’t pinpoint why. But Everett knows exactly what I need to get my concentration back. Now he’s coaching me in a whole new way, revealing an obsession with me that has been simmering under the surface for years, preparing to boil…