Answer:
What do cows tell each other at bedtime?
What kind of cup has holes in it when it is new, is designed to withstand a heavy beating and should never be used for drinking?
Locked up inside you and yet they can steal it from you.
Diamonds and stress have this to thank for their existence.
If you take away one hand Some will remain. What Am I?
I am your mother's brother's only brother in law. Who am I?