Answer:
Once you know it exists, it no longer exists. What is it?
What pulls you down and never lets go?
Mary's child slept in one of these
What can you hold in your left hand but can never hold in your right hand?
A man goes out in heavy rain with nothing to protect him from it. His hair doesn't get wet. How does he do that?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.