Answer:
What goes trough your head but you forget it like 3 days after?
You have it even if there is none.
In birth I spring forth, in life I unfold. In death I wilt and die, but rebirth restores all.
We are two brothers on opposite sides of the road, but we never see each other. Who are we?
They're big and yet so far away, We see them at the end of day. They're small and they're above. We see them when we close our eyes, Each time we are in love.
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.