Answer:
It's like food but water kills it. What is it?
What is bought by the yard by is worn by the foot?
I wear a red robe, with staff in hand, and a stone in my throat.
It's in your hand though you can not feel it. Only you and time can reveal it.
Fatherless and motherless. Born without sin, roared when it came into the world. And never spoke again.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?