She travels to Tiburon in order to learn the truth about her mother.
The dependent person often becomes the one on whom others depend later.
Lily and Rosaleen often switch between being the stronger woman or the dependent one in their relationship.
Yet, after she learns of Zach’s arrest, she begins to make independent decisions regarding her future.
As an extreme example of this independence, she ends up taking her own life.
Lily’s goal throughout the novel is to understand her true mother.