Answer:
I am your mother's brother's only brother in law. Who am I?
When a doctor hits you with a hammer he is testing this
Sheets of paper that tell new stories each day.
It's what light turns into in the night
Major or minor I can be, when you touch me make sure you that you’re on the right key.
I go up and never come down no matter how hard you wish. As I get higher, more wrinkles crawl on to the face. What am I?