Answer:
What can fill a room but takes up no space?
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
I have a name that's not mine and no one cares about me in their prime. People cry at my sight and lie by me all day and night.
I have numbers on my face but can't find 13 any place. What am I?
Lighter than what I am made of, more of me is hidden than is seen. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?