The quote reflects a deep understanding of the complexities of human emotions and relationships. It suggests that while the characters may not share every detail of their pasts, there exists an unspoken awareness of each other's lives. This transparency, born from shared experiences of guilt and forgiveness, establishes a connection that transcends typical social boundaries.

The mention of the sun envying them adds a poetic layer, implying that their bond is so profound that even nature itself is in awe. It emphasizes that their equality in shared struggles allows for a strong relationship, one that is both intimate and reflectively powerful, showcasing the beauty and depth of personal connections formed through mutual understanding.