Answer:
No matter how little or how much you use me, you change me every month.
I can be in your body but never on your placemat. I'm always better when I'm fresh, but you'll never see me in the flesh. What am I?
By Moon or by Sun, I shall be found. Yet, if there's no light around, I am undone. What am I?
One simple click, one simple flash. A piece of memory, for years I'll last. What am I?
I am born in fear raised in truth and I come to my own in deed. When comes a time that I'm called forth I come to serve the cause of need.
When is it bad luck to see a black cat?