The quote from Jonathan Safran Foer's "Everything Is Illuminated" expresses a profound sense of happiness and connection. The speaker reflects on a moment of feeling complete and fulfilled, akin to the joy experienced between close friends. This reveals the significance of companionship and understanding in our lives, highlighting how meaningful relationships can provide a source of comfort and positivity.

The notion of feeling "entirely good" emphasizes the transformative power of friendship and the enjoyment of authentic experiences. It suggests that moments of genuine connection can lead to profound personal fulfillment, showcasing that our emotional well-being is often tied to our social interactions and relationships with others.