Answer:
I always follow you around, everywhere you go at night. I look very bright to people, but I can make the sun dark. What am I?
You cannot keep me until you have given me. What am I?
The dirtier I get, the whiter I am. What am I?
What comes once in a minute twice in a moment but never in a thousand years?
I make a loud noise when changing jacket. I become bigger and delicious.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?