Answer:
What tree that definitely grows does not have a shadow and does not grow fruit?
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.
This is in a realm of true and in a realm false, but you experience me as you turn and toss.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.
Iβm a word, six letters longΝΎ I sometimes enter with a gong. All in order from A to Z, I start with the letter B. What is the word?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.