Answer:
Most people need it, some ask for it, some give it, but almost nobody takes it. What is it?
In the sun it likes to play; In the rain it goes away; Walk or run it always follows; In the mud it always wallows.
Its days are numbered.
If you are unsure how to use one then just ask a flight attendant.
The part of the bird, that is not in the sky, Which can swim in the ocean and always stay dry. What is it?
A doctor might remove one from the neck of a Dracula victim.