Answer:
Cloud is my mother, wind is my father. What am I?
I go into the water black and come out red. What am I?
You can see me in water, but I never get wet. What am I?
I am as hard as metal, yet as flimsy as glass. I shine like a star, yet I am only a rock. What am I?
I have two eyes in the front and a lot of eyes on my tail. What am I?
No matter how little or how much you use me, you change me every month.