Answer:
You feel this sensation when you are dehydrated.
Longer than a decade and shorter than a milennium
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
What Can Fly Without Wings
Where can you find roads without cars, forests without trees and cities without houses?
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.