 When Woo-kyung and Yoon-jeong get married, they go on a honeymoon/business trip because exhibition and honeymoon happened to be at the same time.Later in the story, you find out that Yoon-jeong actually got pregnant from Woo-kyung after their honeymoon.A recurring joke at this time is Yoon-jeong asking for something from Woo-kyung, he is going out to get it, and then she is telling him that she wants something else instead.