Answer:
It doesn't live within a house, nor does it live without. Most will use it when they come in, and again when they go out.
What must be in the oven yet can not be baked? Grows in the heat yet shuns the light of day? What sinks in water but rises with air? Looks like skin but is fine as hair?
Fatherless and motherless. Born without sin, roared when it came into the world. And never spoke again.
The man who made it didn't need it. The man who bought it didn't use it. The man who used it didn't want it.
What has three feet but no arms or legs?
What do angels sing in the shower?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?