Answer:
I can be in your body but never on your placemat. I'm always better when I'm fresh, but you'll never see me in the flesh. What am I?
I am longer than a decade and shorter than a millennium
I break down buildings, I crumble mountains but you can't see me. What am I?
I am gentle enough to soothe your skin light enough to fly in the sky and strong enough to crack rocks.
I encourage people to run home and steal
I flow from the Homerβs mouth when he sees doughnuts.