Julio is unwavering in his loyalty to Sapo, even though it’s causing a tremendous strain in his marriage. This implies that loyalty is so valuable to the story’s characters that they’ll uphold it even when it comes at a personal loss (like a strained marriage). Julio introduces the idea that he’s skeptical about the churchgoing crowd, which puts him at odds with a significant aspect of Harlem’s immigrant community and could potential alienate him. Meanwhile, Julio indicates that loyalty is important to him because it gives him a sense of self-worth and identity.