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 room do ghosts avoid?
I am always around you but often forgotten. I am pure and clean most time but occasionally rotten.
Everyone has me, but nobody can lose me. What am I?
I give people a huge fright, but at the end I'm sweet. I normally celebrate at night, when there's less heat. What am I?
Why was the cook arrested?