Answer:
You must keep this thing. Its loss will affect your brothers. For once yours is lost, it will soon be lost by others.
who do you think you know but sometimes you don't
What is pronounced like one letter, written with three letters. And belongs to all animals?
What has roots that nobody sees, and is taller than trees. Up, up it goes, and yet it never grows.
Brown I am and much admired; many horses have I tried; tire a horse and worry a man; tell me this riddle if you can.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?