Answer:
Some try to hide some try to cheat. But time will show we always will meet. Try as you might to guess my name. I promise you'll know when you I do claim.
I am long and slim works in light. Has but one eye and an awful bite.
I describe a toilet cleaner as well as one of Santa's reindeer
What is black when you buy it, red when you use it, and gray when you throw it away?
I belong to everyone. Sometimes make you happy, sometimes make you sad. I will never end until the day you do. What am I?
No matter how little or how much you use me, you change me every month.