Answer:
What goes trough your head but you forget it like 3 days after?
No matter how little or how much you use me, you change me every month. What am I?
What can you hold in your left hand but can never hold in your right hand?
What goes up and down without moving?
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.
I am a room that has a roof but no walls. What am I?