Tiger Woods is a 33 year-old billionaire and widely considered the greatest golfer in history, but there's something that he hates about himself: his calves! Jaimee Grubbs -- who says she had 20 sexual encounters with Woods over a 31-month period -- revealed her ex-boyfriend's body hangups to Us Weekly. In April 2007, Grubbs had just met Woods in Las Vegas, and was hanging out alone in the entertainment room of his MGM Grand mansion. The golfer arrived and "told me he had done a workout and he was going to do another workout for legs," Grubbs tells Us.