Answer:
I am three simple words everyone wants to hear. Three simple words such simple words and yet...life changing...
Lighter than what I am made of. More of me is hidden than seen. What am I?
I am bought by the yard but worn by the foot
I am shared by goats devils and unicorns.
What has a head and a tail, but no body or legs?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic