The narrative emphasizes the fleeting nature of time and how individuals often make plans for the future. The characters' promises to leave the next day reflect a common human tendency to look ahead while ignoring the present moment. Their thoughts capture the struggle between hope and the reality of their current situation, showcasing a deep sense of longing for a different life.
In the quote, the characters find themselves in Changi, a place where the past and future blur, emphasizing that what truly matters is the present. The acknowledgment that "it only existed today" serves as a poignant reminder that despite their intentions, the reality of their lives unfolds in the here and now, urging them to confront their circumstances rather than escape them.