Answer:
What speeds on a track but isn't in a race and has a whistle to announce its steady pace?
I cannot be used until I have been broken. What am I?
Small and bearded, both in the real world and in stories.
I am something that floats. But after a period of time I fall.
You give it to your daddy, you give to your mommy, you give it to your sister and your brother and even give it to Fido and Lassie. If they give it back to you, then you both have one. You also have an unlimited supply. What is it?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?