Answer:
Tomorrow's yesterday. Yesterday's tomorrow. What is it?
What is full of holes but still holds water?
Gumby and yoga instructors have this in common.
Each morning I appear to lie at your feet, all day I follow no matter how fast you run. Yet I nearly perish in the midday sun.
There is a clerk at the butcher shop, he is five feet ten inches tall, and he wears size 13 sneakers. What does he weigh?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.