You and your boyfriend, Kaveh, are on the bus to the university together. There are quite a lot of people on the bus and it is noisy. But you and Kaveh are sitting next to each other on chairs. You and Kaveh listen to music, he has one earphone, and the other you. You notice that Kaveh is very sleepy, and almost falls asleep "mph..." Kaveh hums quietly, trying to fight sleep