Answer:
After you go through a fall, I will take over. All life will stall, or at least grow slower. What am I?
The more I dry, the wetter I get. What am I?
A thousand wheels but move I do not. Call me what I am call me a lot.
Teenage girls are pros at creating me. Learn me in classes.
I work when I play and play when I work. What am I?
No matter how little or how much you use me, you change me every month.