Answer:
This is in a realm of true and in a realm false, but you experience me as you turn and toss.
You must keep this thing. Its loss will affect your brothers. For once yours is lost, it will soon be lost by others.
What gets closer when you blink?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
What is the only letter in the alphabet that does not appear anywhere on the periodic table of elements?
You use it between your head and your toes, the more it works the thinner it grows.