The writing is a bit poor, please forgive me.
1. 10 Years age difference
2. He
In the classroom that day, Teacher Xie asked the classmate Chi who was late: "What is this classmate's name?" "Chi Fu" "Is classmate Chi's surname Chi because he is often late?" "No, because my father's surname is Chi."
Two years later, the two met again, "This classmate Chi, you are late."
Intention: Never lose if you never get it