The quote reflects the protagonist's struggle with his identity and the weight of his past experiences. It suggests a longing to revisit earlier stages of his life, to understand how he became the person he is today. This desire to retrace his steps highlights feelings of regret and the inability to escape his history.

Ultimately, the expression emphasizes the impact of one's past on their present self. It reveals a deep sense of yearning for a fresh start and the possibility of reshaping his identity if only he could return to those formative years. This internal conflict is a significant theme in Nick Hornby's work, showcasing the complexities of personal growth and self-acceptance.