Answer:
I fill a room but take no space.
I am easy to see but no one likes looking at me. Without me there would be no you. I can make you complain or make you happy. But you almost always take me for-granted.
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
I am in the past, never in the future. I don't exist, but have existed. I saw what you saw, and this is what I will ever see. What am I?
The more you take away from me, the bigger I shall get. What am I?
If a rooster lays an egg on the exact peak of a barn, which side does it fall?