Answer:
A hole in a pole, though I fill a hole in white. I'm used more by the day, and less by the night.
Flat as a leaf, round as a ring. Has two eyes, can't see a thing.
I'm sometimes white and always wrong. I can break a heart and hurt the strong. I can build love or tear it down. I can make a smile or bring a frown.
Iron roof, glass walls, burns and burns and never falls.
What can you fold but not crease?
My days are numbered.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?