In this chapter, we are introduced to a new character, Cai-Tung, who has been introduced in the previous chapter as a young man who has just returned from a trip to China. He is now a senior citizen, and he has come to visit his son, who is studying at the university. He asks his son to help him with his schoolwork, but his son refuses, saying that he is too busy to do so. Cai tells his son that he has promised to fix his daughter's school-issued computer, but that he will have to come and help his son with the task at hand. He tells Cai that he does not want Cai to eat cake while he is fixing the school's computer, because Cai's blood sugar is too high. Cai says that his son's high blood sugar means that he cannot eat sweet food, and Cai tells him that he can only eat cake, which Cai does not like. Cai tries to explain that Cai is jealous of him, but Cai is not willing to admit it, saying, "You know men, you'