A personality disorder is an illness that affects a person’s ability to think rationally, relate to others and perceive the reality of varying situations. People who suffer from a personality disorder may not seek treatment because they feel that their behavior is normal or acceptable. They may blame their dysfunctional behavior on other people. There are many different types of personality disorders, including borderline, histrionic, and paranoid, to name a few. The avoidant personality disorder and the schizoid personality disorder share some common symptoms, and they are both discussed below.Avoidant Personality Disorder (AvPD)People who have avoidant personality disorder are anxious and awkward in social situations. They are usually introverted and avoid doing things or going places wh