Actor Matt Damon was a recent guest on The Late Show with David Letterman to promote his new film Elysiumand right at the beginning of the interview Letterman commented on Damon’s physique and how he had such a rock hard body. Damon’s response was with a single word. “Surfing,” said Damon. He went on to talk about how it’s become a passion of his though he remains a beginner and has a ways to go before he has the potential to be a great surfer. It’s a lively and entertaining conversation and the topic of surfing is discussed for a while in this very entertaining interview.