I just want to retire quietly

All his life, Tan Yan has been law-abiding, conscientious and diligent. He hides his little secrets and only hopes to enjoy his life when he reaches retirement age.Suddenly one day, the relevant leader gave him an ID card born in 2000 and an admission letter from a certain university, and patted him on the shoulder lovingly: Young people, fight for the future of the motherland!You are the successors of the new generation!Tan Yan: ... Can he still retire? (╯‵ ′)╯︵┻━┻ Notes: 1. The subject of this article is to develop a little wolf dog. The protagonist is a 18-year-old uncle with an 58-year-old face. Special note: The protagonist is unmarried and unmarried, although he is 58 years old He is unmarried!!! 2. This article is pseudo science fiction, all the theories appearing in this article are pseudo science of "Green Bat School", a series of serious nonsense, don't take it seriously. 3. Infinite flow, modern pseudo science fiction adventure novel, with slight superpowers. This article is also known as "Suddenly One Day, I Became a College Student", "Can Old Paper Still Retire", "Gong: Why Does My Boyfriend Who Is Younger Always Look at Me With the Eyes of a Passerby", "I Will Live Forever" 18 years old" "Can people who are about to retire still learn advanced mathematics and English?"