What does becoming a member of the Southern Boyz mean to Tuấn in the novel, Things We Lost to the Water?

Feeling repelled from his own home, and frustrated with Hương, Vinh, and Ben, Tuấn uses the Southern Boyz as a replacement for the sense of family and home he craves. With the Southern Boyz, Tuấn believes he has found acceptance, support, and camaraderie.