Answer:
No matter how little or how much you use me, you change me every month.
Die without me, never thank me. Walk right through me, never feel me. Always watching, never speaking. Always lurking, never seen.
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around.
The barber of New York shave all men in New York. No man living in New York is allowed to shave himself. The barber of Nee York lives in New York. Who shaves the barber ?
What covers its face with its hands, speaks no language, yet most known what it's saying?
I can only be played on a windy day