In "The Glass Castle," Jeannette Walls conveys a powerful message about personal values and family expectations through a poignant conversation. A mother reflects on the changes in her child's life, expressing disappointment over what she perceives as a departure from their shared values. The phrase "You've sold out" highlights her concern that her child is losing their authenticity and embracing a lifestyle that conflicts with their upbringing.

This exchange underscores the tension between individual choices and familial ideals. The mother’s incredulity at the prospect of her child adopting conservative beliefs symbolizes a broader clash of values. It reveals an emotional struggle as she grapples with the realization that her child may be moving away from the principles she instilled, raising questions about identity and loyalty to one's roots.