In "High Fidelity" by Nick Hornby, the protagonist grapples with the complexities of love, relationships, and self-identity. He navigates his emotional turmoil after a breakup, reflecting on his past romantic experiences and his obsession with music. This exploration reveals both the absurdities and profound truths of human connections, showing that what seems like a failure can also reveal deeper insights into one's self and life choices.

The quote "What went wrong? Nothing and everything" encapsulates the idea that life's challenges are often paradoxical. It suggests that while some issues may arise from personal choices and actions, there are broader existential factors at play. This duality highlights the intricacies of relationships, suggesting that both personal responsibility and unavoidable circumstances contribute to one's experiences.