Answer:
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
What is never used unless it's in a tight place?
The weapon of choice to create the biggest shock.
One day a little boy named John went over to his parents and said that he wanted to shoot people and blow them up. His parents were really proud of his career choice. What does John want to do?
What did the piece of wood say when he saw the screwdriver and screws approaching?