Personality Disorders are “a type of mental disorder in which you have a rigid and unhealthy pattern of thinking, functioning and behaving” ("Personality Disorders"). Personality disorders are usually divided into three clusters: Cluster A includes paranoid, schizoid, and schizotypal disorders; Cluster B includes antisocial, borderline, narcissistic, and histrionic disorders; and Cluster C includes avoidant, obsessive-compulsive, and dependent disorders. Here's a description of a few taken directly off of Mayo Clinic's website cited at the end of this article. 1. Histrionic personality disorder • Constantly seeking attention • Excessively emotional, dramatic or sexually provocative to gain attention • Speaks dramatically with strong opinions, but few facts or details to back them up • Easily influenced by others • Shallow, rapidly changing emotions • Excessive concern with physical appearance • Thinks relationships with others ar