Answer:
If you are to keep it, you must first give it to me. What is it?
It's shorter than the rest, but when you're happy, you raise it up like it's the best. What is it?
What is yours but only used by others?
It's in your hand though you cannot feel it. Only you and time can reveal it.
What has thousands of ribs and two backbones?
What language does a billboard speak?