The quality of the story you tell about yourself influences how people see you, the quality of the story a CEO tells about their company in large part inspires customer loyalty, and the quality of the story you read determines whether or not you choose to buy into it.
Even the time spent practicing wasn’t a strong indicator of the differences among them. What mattered was what they did with the time they had in the face of very ordinary and specific actions. It’s easy to mindlessly waste 4 hours. It isn’t easy, however, to stay focused on a single task for 2 hours.