Put yourself in Prince William’s shoes, for a moment. When he was just a teenager, aged 15, he lost his mother in the most horrific circumstances. William and his brother, Harry, had to navigate the intense public interest together as they grew into men. That mutual support has since melted away, with an actual ocean separating the once close siblings. The Prince of Wales has, in effect, lost his brother too. On Friday, shortly after the Princess of Wales made her cancer diagnosis public, Prince Harry and Meghan said: “We wish health and healing for Kate and the family, and hope they are able …