During the November 22 broadcast of MBC Every1's 'Weekly Idol', the Block B members pointed out the one member who changed the most throughout their career.

On this day, MC's Jung Hyung Don and Defconn said upon seeing Block B after a long time, "In the past, you had this youthful, mischievous type image but now you guys are like entrepreneurs."

When asked who changed the most, Jaehyo mentioned, "Zico changed a lot.  His social status went up, and his wallet has gotten fatter." Jung Hyung Don then said, "Truthfully, Zico's difficult (to manage)?" To which Jaehyo replied, "He's very difficult," bringing much laughter.

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Meanwhile, Block B returned with their latest track "Shall We Dance" and will be holding a concert on January 27 and January 28 next year titled 'Block B 2018 BLOCKBUSTER MONTAGE' in Seoul.