In-depth explanation of schizoid personality disorder and the characteristics of the schizoid personality disorder. Part 2, discusses the features of schizoid personality disorder.  https://www.healthyplace.com/personality-disorder-videos/schizoid-personality-disorder-2

Read about Schizoid Personality Disorder:  

https://www.healthyplace.com/personality-disorders/schizoid-personality-disorder/what-is-schizoid-personality-disorder