Answer:
I am not alive, though I never die, to no one I've ever told a lie, today I can be god's warrior, and serve him with no horror, but tomorrow I might be devil's knight, for I am what ends the light.
It belongs to you, but other people use it more than you do. What is it?
Sometimes imaginary and sometimes real, sometimes they are the closest and dearest person outside the family. Who are they?
If you blow past your destination, you'll have to throw your car into this.
What can be any size or shape and gets bigger the more you take from it?
What language does a billboard speak?