For 3 years, during highschool, I stayed up all night to practice.
Singer Se7en revealed his training lifestyle.
"For 3 years during highschool, I stayed up all night to practice", Se7en revealed last December 3 at SBS "Xman Good Sunday".
He also added that when in school, he slept and then he returned to the practice studio every night to practice.
114 celebrities participated in the survey which asked who among the celebrities has the strongest desire to win. Sung Si Kyung ranked number 1 while Se7en placed 2nd.
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