Answer:
What is so delicate that saying its name breaks it?
What you do to determine the length of something
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
Itβs so fragile even just saying its name can break it. What is it?
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
What is always coming but never arrives?