In "The Blood of Olympus" by Rick Riordan, the character Jason struggles with the realities of aging. He finds it difficult to accept the physical limitations and societal perceptions that come with being an older man. This feeling of animosity toward his own aging process highlights his inner conflict and desire for vitality and youthfulness.

Jason's hatred of his old age symbolizes a broader theme of the book, where the characters grapple with their identities and the passage of time. It reflects their fears and challenges as they navigate not only personal growth but also the responsibilities that come with maturity, further deepening the narrative's exploration of life stages.