What does Enzo learn about time's nature?

Enzo learns that time is fleeting and should be appreciated, which reflects a significant theme in "The Art of Racing in the Rain." Throughout the story, Enzo observes the lives of his human companions and understands that life is a series of moments that can pass by quickly. This realization emphasizes the importance of cherishing experiences and relationships, as they are not permanent. The idea that time is fleeting encourages both Enzo and the reader to recognize the value of the present and to make the most of the time we have with loved ones. This perspective aligns closely with the story's exploration of life, love, and the lessons learned through hardship, reinforcing the emotional depth of Enzo's journey.