Tear one off and scratch my head; what was once red is black instead. What am I?

I gurgle but never speak, run but never walk, have a bed but never sleep. What am I?

How many birthdays does the average woman have?

It weighs next to nothing but no one can hold it for long. What is it?

Where can you find success before work?

You use it between your head and your toes, the more it works the thinner it grows. What is it?

What has 13 hearts, but no other organs?

If you want me you’ll have to share me but if you share me I will be gone. What am I?

Who are people you see every day, but you don’t know?

What is something you will never see again?