DSM-5 confuses the mental health community about the nature of mental psychology. The diagnosis do not solve the main problem of physicians. It's creation is a waste of effort and time because of its credibility to its information about new diagnosis of mental health disorders.
The migration of the Bantu people throughout Southern half of Africa led to a diffusion of Bantu languages. Today the number of Bantu languages is estimated to be between 200 and 500 (the difference is based on the unclear distinction between a language and a dialect) and Bantu languages are spoken in a very vast area.
During the medieval era, knights were some of the most respected people because they were the lords of the battlefield and the protectors of the land. So if you were a knight, then you were definitely a big shot. Now boys had to leave home to be trained as a knight because he had to study under a local lord and assist the local lord as a page. He had to dedicate all his time to study the basic skills that he would need in order for him to become a knight. This included combat, hunting, history, and many other things too.