A poor man may drink coffee for various reasons, including its affordability, availability, and practicality. Coffee is often a cheaper beverage option compared to alternatives like soda or alcohol. It can be purchased in bulk at a lower cost, making it accessible to those on a limited budget. Additionally, coffee is widely available in many parts of the world, including in cheaper or more affordable establishments. Moreover, coffee provides an energy boost, which can be beneficial for individuals who may need to work long hours or have physically demanding jobs. Overall, the affordability, widespread availability, and stimulating properties of coffee make it a popular choice for many, including those with limited financial resources.