- Antisocial personality is diagnosed when people are always in legal or social trouble. They are oblivious to parental or social punishment, showing reckless disregard for others and no remorse for their actions.
- Borderline personality is when people have a pattern of unstable relationships, and unstable image of themselves, difficulty controlling anger, and when they act impulsively, often putting themselves at risk.
- Paranoid personality is when people are unreasonably suspicious or distrustful of others. They believe that others are out to get them even when that is not the case.