Answer:
You'll have to consult an optometrist if you want to improve this.
What can be any size or shape and gets bigger the more you take from it?
I'm a god. I'm a planet. I measure heat.
What do you have in December that you don't have in any other month?
Lovely and round, I shine with pale light, Grown in the darkness, a ladyβs delight.
An open ended barrel, it is shaped like a hive. It is filled with the flesh, and the flesh is alive!