On the way back to school, the three men did not say a word and each had something to think about. When we got back to the dormitory, Zhao Cui lay on the bed and let his brain empty. Lao Si pulled Chen Bu and suddenly said, "Lao Chen, let me ask you a question." "Say!" "If one day, I die, will you be sad?" Chen Bu looked at him with a firm expression, "Of course I will." Lao Si's eyes glittered with tears and patted Chen Bu's shoulder hard: "I understand!" "You don't understand." Chen Bu shook his head, "This kind of pain of losing a son, how can you possibly understand?" Lao Si: "????" Chen Bu did not say anything, but stood up and walked out of the dormitory. Find an open place, sit down quietly, light a cigarette and think about life. In the distance is the school playground,