The quote reflects a sense of uncertainty regarding someone's return, suggesting that the future is unpredictable. It captures the idea that people can leave unexpectedly and may never return, hinting at the transient nature of human connections.
By mentioning the "tar road" and "pool of heat," the author evokes a vivid, almost oppressive imagery that symbolizes both the journey and the possible endings that accompany it. The imagery reinforces themes of loss and the fleeting nature of life, emphasizing that some individuals can vanish without a trace.