Answer:
Whilst I was engaged in sitting. I spied the dead carrying the living
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.
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What is it?
Inside a great blue castle lives a shy young maid. She blushes in the morning and comes not out at night.
Everyone has it and no one can lose it, what is it?
Said to have fifty shades
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?