Unlocking the shackles of vanity?

  Yang Yang lives in a family environment where his parents' emotions are unstable and constantly erupt into domestic wars. He is weak, introverted, and self-abased, eventually becoming "bad" due to his inability to bear it: going to game halls, smoking, stealing, and finally getting caught for stealing money from home.

  The loss of self-respect makes him desperate, and the shift of responsibility makes him impose hatred on his parents, producing a twisted psychology of "if I don't live well, I won't let them be good either". Moreover, he has evil thoughts of harming his parents, finding sufficient reasons for his behavior, being rational and meticulous in planning, making one's hair stand on end...