Answer:
What gets sharper the more you use it?
I am constantly overlooked by everyone but everyone has me. What am I?
I am flora, not fauna. I am foliage, not trees. I am shrubbery, not grass. What am I?
You are my brother, but I am not your brother. Who am I?
Turns me on my backs and open up my stomach. You will be the wisest of men though at start a lummox.
What language does a billboard speak?