Answer:
It's what light turns into in the night
What is something you can hold without ever touching?
What gets colder as it warms up?
I am neither a guest nor a trespasser in this place. I belong that belongs to me. Where is it?
What is in the middle of nowhere?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.