Answer:
What time of day, when written in capital letters, is the same forwards, backwards, and upside down?
A person who chews the ends of their fingers
What should you do when you see a green man?
A tangly game and a destructive weather phenomenon.
What goes trough your head but you forget it like 3 days after?
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.