What role does Enzo play in Denny's life during challenging times?

Enzo, the dog and narrator of "The Art of Racing in the Rain," serves as a supportive companion to Denny during the many challenging times he faces throughout the story. Enzo provides emotional support and a unique perspective on human experiences, reflecting Denny's struggles with personal loss, career pressures, and family challenges. As a loyal friend, Enzo offers understanding and encouragement, reminding Denny of the importance of perseverance and hope, especially during moments when he feels isolated or overwhelmed. This companionship adds depth to Denny's character and emphasizes the bond they share, illustrating how love and loyalty can provide strength in difficult times.