Answer:
The itsy bitsy teeny weeny yellow polka dot variety is quite popular.
What kind of room has no windows or doors?
A building where people and stories are on stage
What flies without wings? What passes all things? What mends all sorrow? What brings the morrow?
There is someone, and there is always another, for without the other, there wouldn't be one
I never sleep yet sometimes I weep. I can get angry or just be happy. Wherever you go, I will follow. No matter what you do, I will be there. I cannot die. What am I?