Answer:
The main difference between us and zombies
If you have me, you want to tell me. If you tell me, you don't have me.
Sometimes it's silver but also gold. Printed on paper it's a treasure to hold. What is it?
It's shorter than the rest, but when you're happy, you raise it up like it's the best. What is it?
What has a foot but no leg?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.