Why has Fallon been able to temper his behavior, while other people with similar genetics and brains turn violent and end up in prison?

Psychopathology

Why is it significant that the MAOA gene is sex-linked; on the X chromosome?

What are the 3 ingredients for psychopathology as described by Fallon?

Why has Fallon been able to temper his behavior, while other people with similar genetics and brains turn violent and end up in prison?