Answer:
Flat as a leaf, round as a ring; have two eyes, can't see a thing. What am I?
I am quick when I'm thin. I am slow when I'm fat. Wind is my worst nightmare. What am I?
I am the building with the most number of stories.
I am the same written forward backward and upside down.
I can run but not walk. Wherever I go thought follows close behind.
I flow from the Homerβs mouth when he sees doughnuts.