<human>:  Why is the Green man a symbol of fertility?
<bot>: The Green man is a symbol of fertility because he is a fertility god. In the ancient world, the Green Man was a fertility god that represented the growth cycle of the seasons. He is often shown with a green beard, a green crown, and a green hat. The Green Man was the protector of the crops and the patron of spring. The Green Man was often depicted with a snake, which represented his connection to the Earth and the fertility of the soil.