Answer:
I am always hungry, I must always be fed. The finger I lick will soon turn red.
What is the thing that stays the same size, but the more it's used the more it decreases?
A dragons tooth in a mortals hand, I kill, I maim, I divide the land.
They belong to me; they belong to you; They can make you feel happy or make you feel blue; They never end until the day you do.
You throw away the outside, eat the inside, then throw away the inside. What is it?
You can always find me in the past. I am created in the present, but the future can not change me. What am I?