Don Shula is a legend –? an incredibly successful professional football coach. Some years ago I negotiated a contract for a first-round National Football League draft choice with Shula, and I’ve been closely following his career since. He holds the NFL record for most career wins: 347 over 32 seasons. He led the Miami Dolphins to two Super Bowl victories, including the one that capped the only perfect season in NFL history. How did he do it? By not dwelling on the past. Shula had a “24-hour rule,” a policy of looking forward to the next challenge instead of dwelling on the previous victory or failure. The coach allowed himself, his coaching staff and his players a maximum of 24 hours to celebrate a victory or brood over a defeat. During those 24 hours, Shula encouraged them to feel their emotions of success or failure as deeply as they could.