On the March 7th broadcast of MBC's 'Infinite Challenge,' the cast members visited a daycare center and also had a chance to ask expert Dr. Oh Eun Young questions about children's upbringing. 

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Yoo Jae Suk started off by saying, "Even if my child is playing with me, when it comes to a decisive moment, he will look for his mom. Why is that?" 

Dr. Oh explained, "For children, the father is someone who plays with them and the mother is someone who takes care of and nurtures them." 

At this HaHa replied, "Why am I working at this hour then?" jokingly showing his frustration. Park Myung Soo added, "I've thought of all sorts of things like if I should dress up as a woman." Sounds like the men wish their children could rely on them more!

Park Myung Soo further shared, "[My daughter] Min Seo says that her Kindergarten friends told her, 'Your dad is ugly.' Rather than crying about it, she told me this matter-of-factly. What am I supposed to do?" 

Dr. Oh attempted to reassure Park Myung Soo otherwise, saying, "Seeing you today, I think you look better than I expected." The cast members, surprised, asked, "How bad did you think he looked?" causing the set to laugh. 

Netizens commented on the episode saying, "Even so, Min Seo's daddy comes out on TV~. Hehe. Have strength, Park Myung Soo ahjusshi!" and, "If Yoo Jae Suk was my teacher, even if it was just for a day, I would really listen to him~. Everyone did a good job and was amazing! I was moved hehe."