Answer:
No matter how little or how much you use me, you change me every month.
What kind of room has no windows or doors?
The land was white the seed was black it'll take a good scholar to riddle me that. What is it?
My first half is normally made of stone, my second is crazy, and I taste sweet when complete.
What is the smallest bridge in the world?
I have two eyes in the front and a lot of eyes on my tail