The father tells his children that he will do his best to free them from the earthlings. He tells his son that he wants to know when they will be released. He also tells him that he has something important to tell him. The father is surprised to learn that his son loves an earthling. He says that every time the earthling cares about him, he does not hate it. He asks his son one more question: "You feel excited when you feel that yan-chu cares for you, right?" The father says that he did not feel excited at first, but then he realized that he was falling in love with another earthling