In the book "Chain Reaction" by Simone Elkeles, a character observes a group of boys engaged in a playful argument, reminiscent of their childhood days. The question posed, "What are you boys doing?" reflects a sense of nostalgia for simpler times when they were just children. The interaction captures a moment where adult themes are juxtaposed with youthful innocence.

Carlos responds to the question with his straightforward nature, stating they are simply arguing. This reply highlights the dynamic between the characters, indicating that despite growing up, some aspects of their interactions remain playful. The exchange serves to illustrate the enduring bonds of friendship and the ways in which their childhood behaviors persist into their teenage years.