When did ponyboy's attitude toward dally change?

Ponyboy's attitude toward Dally changes significantly after the rumble when he reflects on Dally's vulnerability and the depth of his character. Initially, Ponyboy sees Dally as tough and hardened, but after Dally's death, he realizes the pain and struggles Dally faced, leading him to understand and appreciate the complexity of Dally's persona. This shift occurs particularly in the aftermath of Dally's tragic fate, prompting Ponyboy to reconsider the harsh realities of their lives and the importance of empathy.