The text explores the complexity of relationships, emphasizing that they are often characterized by what remains unshared rather than what is openly shared. Despite being close to one another, every individual retains a part of themselves that remains unreachable, creating a distinct emotional distance between people. This distance can manifest in various forms, including feelings of loneliness or deep affection.

The author, Jonathan Safran Foer, suggests that understanding this intentional separation is crucial in appreciating the dynamics of human connections. Relationships, therefore, are not merely about intimacy or closeness; they also involve respecting and acknowledging the inherent barriers that exist within each person's inner world.