Answer:
No matter how little or how much you use me, you change me every month.
I am seen in the water. If seen in the sky, I am in the rainbow, a jay's feather, and lapis lazuli.
In the land of the green glass door there are riddles but no answers, sheets but no blankets, and books but no words. Name something found in the land of the green glass door.
He stands beside the road. In a purple cap at tattered green cloak. Those who touch him, curse him.
What flies around all day but never goes anywhere?
What language does a billboard speak?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?