Answer:
I will go within you and destroy you. Only because you wanted me too
What is shaped like a box, has no feet, and runs up and down?
I invade your home once a yearโฆbut only if youโve been good.
I have two bodies joined together as one. When standing still, I run and run. What am I?
Curtail me thrice I am a youth; behead me once a snake; complete I'm often used in truth when certain steps you'd take.
Why did the teacher have to wear sunglasses?