Answer:
I shave several times a day, yet I still have a beard. What am I?
I work when I play and play when I work
I go around in circles, but always straight ahead, never complain, no matter where I am led.
What is put on a table cut but never eaten?
I can wake you up in the morning but I require no electricity or winding.
No matter how little or how much you use me, you change me every month.