Answer:
An utensil used for bread. Also a paper cutter. Used by a thug to take a life, Or wielded by the tamest wife, When used to spread the butter.
This is your stomach's way of letting you know you've neglected it.
It belongs to you, but other people use it more than you do. What is it?
What stays in one corner but travels around the world?
What can speak without a tongue and listen without ears?
What has to be broken before you can use it ?