Answer:
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
What do you have when you're sitting down that you don't have when you're standing up?
What number has all letters in alphabetical order when spelled out?
You use it between your head and your toes, the more it works the thinner it grows.
Without this, eating food and Steven Spielberg's career would be very different.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.