Answer:
I don't live within a house, nor do I live without. Most will use me when they come in, and again when they go out. What am I?
Though not a plant I have leaves. though not a beast I have spine. Though many wouldn't need me I am more valuable than wine.
Why did the computer keep sneezing?
I have thirteen hearts but no body or soul. What am I?
What kind of coat can only be put on when wet?
I flow from the Homerβs mouth when he sees doughnuts.