Answer:
I dance on one feet and knows only one shape. Someone with same name as me is very good with directions
The more you take of me the more you leave behind.
In a tunnel of darkness lies a beast or iron. It can only attack when pulled back. What is it?
I'm blue, but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt, but I'm good for you. What am I?
If you have it, you donβt share it. If you share it, you donβt have it. What is it?
What language does a billboard speak?