You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A characteristic feature of schizoid personality is - and explain in detail?
Schizoid personality disorder is characterized by emotional coldness, marked detachment from other and little/no desire for close relationship. Patient invariable prefers solitary activity.