Answer:
If you have me, you want to share me. Once you share me, you won't have me. What am I?
What is that you will break even when you name it?
Soft, hairy, from door to door. I am the pet that always stays on the floor. What am I?
I sleep when you are awake, I am awake when you fall asleep. I can fly but no feathers to aid my flight. What am I?
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?
When is it bad luck to see a black cat?