In an interesting article its mentioned that he has been busted in the past for marijuana, which would make him quite the rebel in South Korea.
Interesting point, by the way, apparently coffee is expensive in South Korean, so to be seen drinking it is a status symbol. The girl he wants in the video "drinks coffee" which is his way of saying "superficial little twit." Its pretty interesting.
You are more likely to have a threesome with members of the Japanese women's curling team whilst spinning a plate on your head than you are likely to screw up a batch of JAOM.