Answer:
I beam I shine I sparkle white. I’ll brighten the day with a single light. I’ll charm and enchant all I’ll bring the best in you all.
The more you take away from it the larger it becomes. What is it?
My days are numbered.
My first is second in line; I send shivers up your spine; not quite shining bright I glitter in the light.
If two's company and three's a crowd what are four and five?
No matter how little or how much you use me, you change me every month.