People with schizoid personality disorder avoid relationships and do not show much emotion. They genuinely prefer to be alone and do not secretly wish for popularity. They tend to seek jobs that require little social contact. Their social skills are often weak and they do not show a need for attention or acceptance. They are perceived as humorless and distant and often are termed "loners."
People with histrionic personality disorder are constant attention seekers. They need to be the center of attention all the time, often interrupting others in order to dominate the conversation. They use grandiose language to discribe everyday events and seek constant praise. They may dress provacatively or exaggerate illnesses in order to gain attention. They also tend to exaggerate friendships and relationships, believing that everyone loves them. They are often manipulative.
*No, this is Anya. This is also almost every actor I've ever met.*
Avoidant personality disorder is characterized by extreme social anxiety. People with this disorder often feel inadequate, avoid social situations, and seek out jobs with little contact with others. They are fearful of being rejected and worry about embarassing themselves in front of others. They exaggerate the potential difficulties of new situations to rationalize avoiding them. Often, they will create fantasy worlds to substitute for the real one. Unlike schizoid personality disorder, avoidant people yearn for social relations yet feel they are unable to obtain them. They are frequently depressed and have low self-confidence.