Answer:
A father's child, a mother's child, yet no one's son
You can do this with your friends. You can do this with your nose. But don't do it with your friend's nose!
What can you easily break but never touch?
I am a king but also a common device of measure. What am I?
If you suffer from this, you might wear a wig
Two little holes in the side of a hill. Just as you come to the cherry-red mill.