That day, Cheng Ruichang told her a lot of things, about his connection with the Gu family, about his mother, about how, in order to maintain his mother's expensive medical bills, he went to work as a laborer as a teenager, because laborers earn more money and faster. He also went to the black boxing, beat the nose and face, but practiced his ability to carry the fight, he also specializes in the study of car crashes, studied hard in the field of physics, mechanics, angularity, inertia, ...