Jackson challenges Yeo Jin Goo on who is the tougher man on 'Happy Together'

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MC Yoo Jae Suk suggested that the two compete with one another through a series of mini games to see who was the tougher man out of the two.�

Prior to the game, Jackson chattered, "If I lose, won't I be considered as trash? Because I was an athlete before," while Yeo Jin Goo commented calmly, "I think Jackson will be really quick," revealing the contrast in their personalities.

The first game was a simple competition on who could get to the other side of the set the fastest. The former fencing champion beat Yeo Jin Goo 2 to 0, which fired up the actor's competitive nature. In the second and third games, both Yeo Jin Goo and Jackson were able to complete the challenges of hitting their heads and elbows on the ceiling, deeming them both as 'real men.'

Check out Yeo Jin Goo and Jackson compete for the crown of being the tougher man above!