In "The Glass Castle," Jeannette Walls explores her unconventional childhood, shaped by her eccentric parents and difficult circumstances. Throughout her memoir, she reflects on the experiences that made her who she is today. The quote "everyone who is interesting has a past" resonates deeply with the themes of the book, suggesting that our backgrounds, no matter how challenging, contribute to our individuality and narrative.

Walls illustrates that her tumultuous upbringing, marked by poverty and instability, ultimately becomes a source of strength and resilience. The memoir captures the complexities of family dynamics and personal growth, emphasizing that our past hardships can enrich our lives and inform our perspectives. By embracing her history, Walls creates a compelling story of survival and self-discovery.