Answer:
Tear me off and scratch my head, what once was red is black instead. What am I?
I am the most famous dinner ever attended. What am I?
You throw away my outside you cook my inside. Then you eat my outside and you throw away my inside.
Can not be bought, Can not be sold, Even if it's made of gold. What is it?
I suck.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.