Answer:
Why is it so easy to weigh fish?
I have thirteen hearts but no body or soul.
When you stop and look, you can always see me. If you try to touch, you cannot feel me. I cannot move, but as you near me, I will move away from you. What am I?
What type of shoes do spies wear?
I am the noise Santa's reindeers make
I stay where I am when I go off. What am I?