The two of them have been talking by phone for the last three months, but they haven't been seeing each other for three months. They're both nervous about getting to the gate of the incheon International Airport, where they're going to meet up with Kim's family. Kim is nervous because he hasn't seen Kim in three months and he's worried that they'll be late for their meeting. He's also worried because Kim has been eating a ton of food, and he wants to make sure that Kim doesn't get hungry