After failing the public examination for three years, I worked as a security guard in a community. The ex-girlfriend's Audi passed by and she discovered that her boyfriend threw a hundred dollars on the ground. It was New Year's Eve, and a voice sounded in my head - [The three-year simulation system for the five-year public examination has been bound]. Three months later, he ranked first in the provincial written examination. A year later, I learned something more difficult than taking the exam within the system: how to survive and how to climb up.