The speaker is a parental figure imparting life lessons to their son. They adopt a tone that shifts rapidly between formal directions and casual conversation. Rather than offering a simple template for living, the speaker acknowledges life's unpredictability, advising preparation for both sudden tragedy and long, mundane adulthood. They value a life that accommodates both physical necessities and aesthetic beauty.

The son is a young man facing the vast, unpredictable stretch of adulthood. He represents youth and potential, vulnerable to both sudden accidents like a shattered windshield and the long, slow progression of daily domestic life. He is tasked with taking the speaker's confusing rules, such as planting winter vegetables alongside roses, and applying them to build his own balanced existence.