Answer:
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
You can only have it once you have given it.
What asks but never answers?
Until I am measured I am not known, Yet how you miss me when I have flown.
When I live I cry, If you don't kill me I'll die.
What is so fragile that saying its name breaks it?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?