What does Levi gain from each of his relationships with zim and pearl in the things a brother knows?

In "The Things a Brother Knows," Levi gains a sense of grounding and stability from his relationship with Zim, who provides a supportive and understanding presence amidst Levi's struggles with his brother's return from war. Through Zim, Levi learns about loyalty and the complexities of brotherhood. In contrast, his relationship with Pearl offers Levi emotional insight and a glimpse of hope; she encourages him to confront his feelings and fosters his personal growth. Together, these relationships help Levi navigate his turbulent emotions and find a path toward healing.