Answer:
We are two brothers on opposite sides of the road, but we never see each other. Who are we?
What never asks questions but is often answered?
A sphere has three, a circle has two, and a point has zero. What is it?
A person's greatest asset.
The little pink nub that helps rectify mistakes.
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.