Why does Darry sacrifice in order to take of his brothers in the book the outsiders?

In "The Outsiders," Darry sacrifices his own dreams and aspirations to care for his younger brothers, Ponyboy and Sodapop, after the death of their parents. He takes on the responsibility of being a guardian, working tirelessly to provide for the family and keep them together. Darry's sacrifices stem from his deep love for his brothers and his desire to ensure they have a better future, even if it means putting his own ambitions on hold. This selflessness highlights the themes of family loyalty and the struggles of growing up in a challenging environment.