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?
If you drop me, I'm sure to crack. Give me a smile and I'll always smile back. What am I?
I belong to you but others use me more often than you do
I help boats park
Light hides me and darkness kills me. What am I?
I flow from the Homerβs mouth when he sees doughnuts.