Answer:
No matter how little or how much you use me, you change me every month.
The sun bakes them, the hand breaks them, the foot treads on them, and the mouth tastes them.
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
An open ended barrel, it is shaped like a hive. It is filled with the flesh, and the flesh is alive!
What surrounds the world, yet dwells within a thimble?
Disgusting creatures that would survive a nuclear strike.