Answer:
What do you throw out to use and take in when you're done?
I tremble at each breath of air, and yet can heaviest burdens bear.
The man who made it didn't need it. The man who bought it didn't use it. The man who used it didn't want it.
Tool of thief, toy of queen. Always used to be unseen. Sign of joy, sign of sorrow. Giving all likeness borrowed.
Talks like this, a green wise man does. Guess my clue, you will.
Why is the letter B always cool?