Answer:
Your mother's brother's only brother-in-law is asleep on your couch. Who is asleep on your couch?
Why was the math book sad?
We chop its feet; we drink its blood
The artistic vandal's best friend.
It increases and decreases yet no one see it. It is not a fire and yet it can be quenched.
What starts with a 'P', ends with an 'E' and has thousands of letters?