Judging from his wacky "horseriding dance" in the viral video uber-hit, Gangnam Style - 600 million YouTube hits and counting - you might expect South Korean pop artist-rapper Psy to be one upbeat guy.
And while he's proud of becoming a wordwide phenomenon, the 34-year-old married father of two twin girls admits to being "stressed and tired."
He's definitely polite and sweet in his hotel room, but really the only thing sparkly about him are his black shoes and lapels on his black blazer.
Call it being in the Psy of the storm.
He's operating on about three hours sleep as he's trailed by a camera man, a make-up artist and his manager (although he's been signed to Scooter Braun's School Boy Records, the man behind Canadians Justin Bieber and Carly Rae Jepsen's careers).
One thing is for sure, if Gangnam Style - a reference to the Gangnam district of Seoul - turns out to be the Macarena of the 21st century, he can live with it.
"Everybody wants to have a career but it depends," says Psy, who was playing a Samsung event in Toronto Tuesday night.
"I already have huge satisfaction with this so it it goes one hit wonder or not, I don't care. It was not mine in the first place. It just happened accidentally. So if it goes and it keep on, it's going to be good. But (if not) I'm fine. I'm going to go back to my country and I'm going to do what I've done before."
Psy says he knew Gangnam Style - the lead single off his sixth album and his sixth dance move in South Korea - was becoming a sensation when celebrities started tweeting his video.
"So after that, a lot of press in North America, they started to report about me, especially CNN News. They cover my story after 10 days of release. But you know I didn't put any effort for their international thing. The only effort was just upload the video to YouTube."
As for the horseriding dance move, Psy says he worked with South Korean choreographers for a month on it.
"We tried not just horse, we tried kangaroo, snake, bear, dragon, everything," he said.
Now everyone from Britney Spears to Hugh Jackman have been shown the dance by Psy, who also appeared in a Saturday Night Live skit as himself.
To capitalize on his worldwide popularity, Psy plans to release a greatest hits album soon from his 12-year career in South Korea and will translate some songs into English -- some, but probably not all.
"It has been loved just as it is so I don't want to touch Gangnam Style," he says.
He's also since finished a follow-up song but isn't saying much about when it will be released or a possible new dance to accompany it.
He will say he hopes to tour in North America in January and February with predictions that Gangnam Style will be the first video to ever hit one billion views on YouTube.
"If I hit billion, that's quite something," he says. "For the future of my life, I can not hit another billion. Sensation can only come once."
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