Answer:
At night I come without being fetched. By day I am lost without being stolen.
I can be short and sometimes hot. When displayed, I rarely impress.
It is by nature, soft as silk; A puffy cloud, white as milk; Snow tops this tropical crop; The dirtiest part of a mop
What is so fragile that saying its name breaks it?
You are having a bad day if 12 peers deem you to be this
You use it between your head and your toes, the more it works the thinner it grows.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?