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The couple discussed what cheating means to them, and they decided to play a husband who had an affair and a wife who was left behind. Kim So Yeon then commented, "You can't cheat on me. I'll kill you."

Kwak Si Yang was unfazed by her comment, however. He responded sweetly, "How could I ever cheat on a woman like you," and she couldn't help but smile.

On the same episode, Kim So Yeon and Kwak Si Yang had a battle to see who could eat spicy food the best, and Kim So Yeon ended up the winner.