"You're the Best Lee Soon Shin" Jo Jung Suk gets jealous when Lee Ji Hoon and IU become very close while they cook together.

July 7, an episode of the KBS weekend drama "You're the Best Lee Soon Shin" featured Lee Soon Shin (IU) learning how to cook from Kim Young Hoon (Lee Ji Hoon) because of her role in a drama.

When Shin Joon Ho (Jo Jung Suk) sees them holding the frying pan together and looking all lovey-dovey, he gets extremely jealous. Kim Young Hoon says, "Is Soon Shin the only actress in your company? How do you follow her around everywhere even to her cooking class.."

Shin Joon Ho hesitates and says, "I'm detailed like that." When Lee Soon Shin goes to the bathroom, Shin Joon Ho jokes, "Thanks, I really had to go" and follows her to the bathroom as well.