Answer:
You do not want me when you donβt have me but when you have me you don't want to lose me.
I tremble at each breath of air, and yet can heaviest burdens bear. What am I?
What has four wheels and flies?
Tear me off and scratch my head what once red is now black.
What is cut on a table but is never eaten?
I am your mother's brother's only brother in law. Who am I?