In the article titled "A Monkey as a Sister" by Hannah Friedman, the author shares a unique and unexpected experience she had while growing up. The author reveals that as a child, her parents adopted a monkey named Lucy, who quickly became part of their family. The author describes her bond with Lucy as that of sisters, despite their obvious differences. Through this humorous and heartwarming story, the author highlights the unconventional aspects of her childhood and the surprising connections that can form between humans and animals.