For nearly a century, Anthony Mancinelli stood behind a barber's chair in New Windsor, New York — scissors in hand, clients in the seat, purpose intact — working full-time until the age of 107. His story arrives at the intersection of longevity and meaning, where science offers cautious correlations and one man's life offers something harder to quantify. Whether work sustained him or he simply had the constitution to keep working, his example quietly challenges the assumptions most societies hold about age, usefulness, and when a life's labor ought to end.