Thumbnail Battle: The Strongest Hearts

Pain Behind Their Success (1x8)

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Kim Jong-min shares his tips on surviving on a variety show for a long time. Shinji talks about the day her anxiety disorder started and how she has difficulty singing on stage. Former tennis player Lee Hyung-taik shares how he won the world tournament thanks to his diarrhea. Woo Hee-jun shares why she quit being a special forces soldier.