Usain Bolt was so energetic as a kid, his mom took him to the doctor, worried he was Hyperactive. His natural speed won him medals and world records early on, making the 6ft 5 runner a national celebrity at just 15. But his coaches worried that the pressure would be too much for Bolt. After moving to the capitol for training, he indulged in partying and eating junk food so much, his coaches pulled him from the Senior World Championships. Fearing the worries had come true, Usain had to smarten up, and do it quick if he wanted to prove them wrong.