I went to the nail salon this week, and there was a young women working there who started weeping inconsolably in a corner. I asked the manager what was wrong. “She just lost her mother” was the reply. She had died in her sleep suddenly though she was perfectly healthy. This last weekend, I had attended the funeral of an old friend. He was perfectly healthy too, and then he got late-stage pancreatic cancer — and he was gone a few months later. That was the exact same story for another friend. He was healthy as a horse, until he...