Answer:
I go through a door but never go in, and never come out. What am I?
*forward* *backwards*is what I do all day. I come in all different shapes and sizes. I can be scary and I can calm you down.
I begin and have no end. Eventually I will be the end of all that has begun.
Drop me and the world will shatter. You can always find me where you empty your bladder.
I have every color but no gold.
What language does a billboard speak?