Keven's Riddle Time (Mar. 3)

I stare all day at the things in front of me and behind me,

although I know nothing of the things by my side.

You may not be able to see me, but I can see you.

I can be broken, and I can't be fixed.

Everyone owns me at one time or another.

Life is hard to imagine without me.

What am I?

000

Answer: __ __ __ __ __ __

Q: Why did the teacher write the lesson on the

_ _ _ _ _ _ _ ?

A: He wanted the lesson to be very _ _ _ _ _ .

*The answers are in the comment section.*