Answer:
What should you do when you see a green man?
Everybody's got one.
What is it that no man ever saw, which never was, but always will be?
What occurs four times in every week, twice in every month, only once in a year but never in a day?
The edge of earth and bread.
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?