Answer:
I am always hungry, I must always be fed. The finger I lick will soon turn red.
What is full of holes but still holds water?
Temporary evidence of where you've been strolling
How many bricks does it take to complete a building made of brick?
What can get you there in eco style, pushed by your legs mile after mile?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?