The protagonist treasures a deeply personal reminder that remains safe and beyond the reach of theft. The thin, white scar in the shape of a "C" on his left hand symbolizes a significant bond, imperfect but clear, located at the base of his thumb. This mark serves as a lasting connection to another person, representing memories intertwined with deep emotions.

He reflects on the impact of this mark and the "J" he had etched onto her, recognizing that these symbols continue to signify their shared past. There is a sense of hope that this connection still resonates with her, underscoring the enduring nature of their relationship despite physical separation.