Personality disorders are a group of mental disorders that comprises enduring changes in patterns of behaviour with onset before adolescence and continues into adulthood, causing major difficulties in functioning across most areas of the individuals life. The symptoms may vary depending on the personality disorder. However the symptoms are often clustered in groups that broadly may be A: odd, eccentric, overly sensitive or suspicious; B: erratic, impulsive, or emotionally labile; C: fearful, anxious or dependent;