If the individual is not interested in treatment and this disorder generally does not prevent him from living.

  • $\begingroup$ If the patient is not interested in treatment, then why would they seek it? You can also check out this question: How effective is court imposed therapy compared to self-initiated therapy? $\endgroup$
    – Arnon Weinberg
    Jan 13 at 19:28
  • $\begingroup$ For example, parents can insist on it $\endgroup$
    – Zenon
    Jan 13 at 19:31
  • 1
    $\begingroup$ Schizoid personality disorder is an uncommon condition in which people avoid social activities and consistently shy away from interaction with others. Some would say that is not living a full and happy life. What made you ask this question and what have you read about how Schizoid Personality Disorder is diagnosed and how it affects people? Providing this information in your question via an edit will help to provide a more useful answer. $\endgroup$ Jan 14 at 4:23