Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Personality is composed by distinctive traits and behavioral patterns that together make each person's individuality. While usually these traits enable individuals to successfully participate in social life, sometimes one's character poses limitations to social interaction. People suffering from personality disorders find it difficult to maintain interpersonal relationships and control their emotions and behavior. Learn more about widespread personality disorders, their causes and treatment in this book.