How Sharp Objects Did and Didn't Stray From the Original Novel

Camille's stint in the psych ward is only lightly touched on in the novel, but the show seized the opportunity to flesh out some much-needed backstory. Camille makes a friend who ends up killing herself, which further informs Camille's need to protect others, as well as her fear of losing those she holds dearly. That's why she goes into such an intense protective state over Amma.