Answer:
I am always in front of you, but you will never see me. What am I?
Men have one, women two, and when they become family, itβs three. What is it?
I am the greatest teacher out of them all, but alas in the end I kill my pupils.
With head without hair. With mouth without tooth.
Sharp and long, flag of the world. What is it?
I have two eyes in the front and a lot of eyes on my tail