How did Darry Curtis change throughout the novel?

In S.E. Hinton's "The Outsiders," Darry Curtis evolves from a strict and often harsh guardian to a more understanding and compassionate figure. Initially, he feels the pressure of being the primary caretaker for his two younger brothers, leading him to prioritize responsibility over emotional connection. As the story progresses, particularly after the events surrounding Johnny and Dally's deaths, Darry begins to recognize the importance of expressing love and support, ultimately fostering a deeper bond with Ponyboy. This transformation highlights his growth from a protective figure to a more nurturing brother.