Satchel Paige, who pitched professionally into his sixties, wasn't simply musing about youthful thinking—he was identifying the gap between chronological fact and felt vitality, the space where we actually live. Most people treat age as a fixed constraint, but he recognized it as partly a story we tell ourselves, one that can calcify our choices and energy in ways that have nothing to do with our actual capacity. A sixty-year-old who believes herself finished will move and think and dream like someone finished; a sixty-year-old who hasn't accepted that narrative will find herself attempting things others abandoned decades earlier. This matters because it suggests that some of our limitations are borrowed from the calendar rather than from our bones.