Why is Ponyboy proud of his brothers for saying that Dally was a real good buddy of ours?

Ponyboy is proud of his brothers for acknowledging Dally as a "real good buddy" because it reflects their loyalty and deep emotional connection to him, despite his flaws. This recognition highlights the importance of friendship and support within their tight-knit group. It also shows that they understand Dally's struggles and appreciate the good qualities he possessed, fostering a sense of unity among them. Ultimately, it reinforces the theme of camaraderie and the complexities of their relationships amidst their challenging lives.