Answer:
Born of sorrow, grow with age, you need a lot of me to be a sage. What am I?
I shave several times a day, yet I still have a beard. What am I?
You shoot me but I don't die. You hang me but I don't die. What am I?
I am black within and red without With four corners round about.
I have a ring but no fingers. I used to stay still all the time but nowadays I follow you around.
No matter how little or how much you use me, you change me every month.