Answer:
What goes up but never comes down?
What goes through towns and over hills but never moves?
Sends paper without using the post office.
What starts with a P, ends with an E and has a million letters in it?
Never ahead, ever behind, yet flying swiftly pastΝΎ For a child I last forever, for adults I'm gone too fast.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?