Answer:
Everybody's got one.
Sometimes imaginary and sometimes real, sometimes they are the closest and dearest person outside the family. Who are they?
A squiggly line tells you when you've done it wrong
It is in every mountain, it's not in any hill, it's not in all the world, and yet it's in the mill.
I am the red tongue of the earth, that buries cities.
I am a room that has a roof but no walls. What am I?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?