Answer:
If you have me, you want to share me. Once you share me, you won't have me. What am I?
I'm light as a feather yet the strongest person can't hold me for more than a few minutes. What am I?
No matter how little or how much you use me, you change me every month.
I can be cracked, made, told, and played. What am I?
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
I flow from the Homerβs mouth when he sees doughnuts.