What role do Enzo's dog instincts play in the narrative?

Enzo's dog instincts significantly enhance his ability to understand human emotions throughout the narrative. As a dog, Enzo possesses heightened senses and a deep sensitivity that allow him to observe and interpret the emotions and behaviors of the people around him, especially his owner, Denny. This ability to empathize with human feelings enables Enzo to provide comfort, support, and a unique perspective on the challenges Denny faces. His instincts as a dog create a bridge between the canine and human worlds, allowing readers to appreciate the depth of connection between Enzo and the human experiences, such as love, loss, and perseverance. This emotional insight is a crucial aspect of the story, enriching the themes of companionship and understanding that resonate throughout the book.