Answer:
It is the great nemesis of the lactose intolerant.
What two things can always see what the other sees, but can never see each other?
Tall in the morning, short at noon, gone at night. But I'll be back soon.
Many have heard it, but nobody has ever seen it. It will not speak until spoken to. What is it?
Creatures of power, creatures of grade, creatures of beauty, creatures of strength. As for their lives, they set everything's pace. For all things must come to live. Under their emerald embrace Either in their life or in their death.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?