Answer:
No matter how little or how much you use me, you change me every month.
In the night a mountain, in the morning a meadow.
What has to be broken before it can be used?
I move without wings, Between silken string, I leave as you find, My substance behind.
Five men were eating apples, A finished before B, but behind C. D finished before E, but behind B. What was the finishing order?
I can only be played on a windy day