Answer:
What is often returned, but never borrowed/
You use a knife to slice my head. And weep beside me when I am dead.
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
It's a game played by serious people that takes place on a global scale.
I am a precious little thing, dancing and eating all the time. Watch me from a distance, so you can feel my warm and gentle love. But don't come to close or my next meal you could be!
When is it bad luck to see a black cat?