Answer:
I make everyone blind. You can't see me but I will always come back for you. What am I?
What can fill a room but takes up no space?
What do you call a fish with no eye?
I'm tall when I'm young and I'm short when I'm old. What am I?
What goes up a chimney down but can't go down a chimney up?
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.