Answer:
The main difference between us and zombies
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
How can you throw a ball as hard as you can, to only have it come back to you, even if it doesn’t bounce off anything?
A young man wants to have it, but when he has it he no longer wants it. Blade in hand he attacks it And does his best to remove it. Yet he knows that it is all in vain.
What kind of cup doesn't hold water?
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?