[Hot Clip] Kim Jong-Kook Reveals Intense Workout and Muscles on “My Little Old Boy”

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As one of the featured guests on the “My Little Old Boy” (also known as My Ugly Duckling and Mom’s Diary) viewers of the show were able to get a sneak peak of the Kim Jong-kook’s life as a bachelor.

In the clip below the mothers on the show, comment on the singer’s workout routine and admire how he turns off the shower to save water. One another note, the special guest for this episode was none other than Kim Jong-kook’s “Running Man” colleague Song Ji-hyo.

Check out the clips!

https://www.youtube.com/watch?v=FKWVujgFpPY

https://www.youtube.com/watch?v=gBr3Ca9c0ko