Answer:
There is someone, and there is always another, for without the other, there wouldn't be one
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
The more of them you take, the more you leave behind. What are they?
What travels from house to house and is sometimes narrow and sometimes wide but always stays outside?
I'm a type of pizza that is folded in half before cooking to contain a filling
Why was the cook arrested?