Answer:
My first half is normally made of stone, my second is crazy, and I taste sweet when complete.
The more of it there is, the less you see.
No matter how little or how much you use me, you change me every month.
Describes a mysterious region and a stylish pair of shorts.
The sun bakes them, the hand breaks them, the foot treads on them, and the mouth tastes them.
What never gets any wetter no matter how hard it rains?