Summary
1 Violent bullies are born more violent than the environment
2 Violence peaked at the age of 15 Why there is a terrible teenage crime and until the age of 27
Gradually lowered and returned to normal from the late 20s = I got older and improved Nn => It’s just that the violence has decreased on its own
3 It is impossible to guide them learningly. On average, they belong to the axis of low intelligence