In "Between the Lines" by Jodi Picoult, the author explores the experience of being a teenager and how it often feels like living within another's narrative. Teenagers frequently encounter adults who believe they hold the keys to understanding their lives better than the teenagers themselves do. This dynamic can lead to feelings of frustration and a struggle for identity.

The story highlights the challenges of adolescence, as teenagers navigate their desires for independence while grappling with the perceptions and expectations imposed by others. Overall, it captures the essence of youth as a complex journey shaped by external influences and personal growth.