" Childhoods " was not the first of a trilogy of autobiographies based on his own experiences, but one of them. The trilogy had three parts: << Teenager >>: It tells the story of the protagonist's growth in his youth, including his adventures, love, friendship, and so on. 2. Youth: It tells the story of the protagonist's growth experience in his youth, including confusion, struggle, love, etc. 3 " Adulthood ": It tells the story of the protagonist's growth after adulthood, including his struggles, career, family, etc.