Throughout the novel, Laurel's letters to deceased icons like Kurt Cobain and Janis Joplin become a powerful vehicle for self-expression. Unable to articulate her feelings to the living, Laurel finds solace in pouring her heart out on paper, addressing her idols as confidantes who understand the depths of her sadness and confusion. This theme highlights the cathartic nature of writing and how it can help us process difficult emotions.

As Laurel delves deeper into her letters, she begins to confront the unspoken trauma she endured while May was supposed to be protecting her. The novel delicately handles the sensitive topic of abuse, showcasing how writing can provide a safe space for survivors to acknowledge and process their experiences. Laurel's journey underscores the importance of speaking up and seeking support, even when it feels impossible.

Overshadowed by the memory of her seemingly perfect sister, Laurel struggles to define herself outside the shadow of May's legacy. Through her letters and her growing relationships, she begins to understand that her sister was not the flawless being she imagined, but a complex individual with flaws like everyone else. This realization allows Laurel to shed the weight of unrealistic expectations and embrace her own unique path, discovering her own identity and strength.