“Have you ever truly explored the ravages of age? I don’t mean looking into your grandfather’s eyes or running your fingers along your grandmother’s wrinkles. And I certainly don’t mean discussing with some friend or relative about how time has caught up with them and whether they need more help now. Old age is terrifying. As in soul-crushingly, knee-wobblingly, nightmare-inducingly terrifying. And everything horrible about it stems from one undeniable and sad fact: as your body grows weak, your mind grows stronger.”