How does the author convey the theme of hardship in the book?

The theme of hardship in "The Art of Racing in the Rain" is effectively conveyed through Enzo's observations of Denny's struggles. As the story is narrated from the perspective of Enzo, the dog, readers gain unique insights into Denny's life, which is filled with significant challenges and dilemmas. Enzo comments on Denny's perseverance in the face of adversity, such as dealing with personal loss, professional obstacles, and the complexities of family dynamics. This perspective allows readers to deeply connect with Denny’s emotional journey, emphasizing the idea that hardship is an inherent part of life and growth. Enzo’s reflections not only reveal the weight of these struggles but also the resilience that can emerge from them, highlighting the broader theme of enduring hardship.