Answer:
What can you catch but never throw?
My first half means container. Not a lot of people understand my language. What am I?
I am used when you jump off a bridge for fun.
Can not be bought, Can not be sold, Even if it's made of gold. What is it?
Everyone asks for me but yet everyone hates to face me. For someone I am agony, for others I am relief! What am I?
When is it bad luck to see a black cat?