The quote "The walls here are thinner than Band-Aids" from Anna and the French Kiss by Stephanie Perkins suggests a setting where privacy and personal boundaries are limited. It may imply an environment where people are more open or where privacy is hard to maintain, emphasizing intimacy or closeness among characters.

This phrase can also reflect the emotional or physical closeness in the story, highlighting the characters' vulnerability or the intimate atmosphere of the scene. It captures a sense of transparency or exposure, which may be central to the novel’s themes of friendship, love, and self-discovery.