You think she's got a personality disorder?"
"No, she's just a nasty bitch. An unpleasant personality isn't a medical condition. Just a symptom of not being slapped around the head enough.

The main reason why clinicians may not diagnose personality disorders is that they think that doing so supports therapeutic pessimism. Recent research has shown this is not true; most patients get better, either with time or with treatment, that the prognosis is actually better than in many patients with severe mood and anxiety disorders.

In graduate school, I learned this simple distinction: when people are driving themselves crazy, they have neuroses or psychoses. When they drive other people crazy, they have personality disorders.

Prevarication, how divine! I always did get along better with sinners.

Personality as defined in psychiatry is totality of emotional and behavioral traits that characterize person in day-to-day activities and it is fairly stable and predictable throughout the life. So, stop trying to change people and be happy.

The worst in him brings out worst in everybody, so to prove his prejudiced notion right that everyone in this world is bad except him.