Answer:
Little Nancy Etticote in a white petticoat. With a red nose; the longer she stands the shorter she grows.
What loses its head in the morning but gets it back at night?
Things here are usually tagged with red stickers.
I was was before was was was.
My first is in fish but no in snail. My second is in rabbit but not in tail. My third is in up but not in down. My fourth is in tiara but not in crown. My fifth is in tree you plainly see. My whole a food for you and me.
What is yours but only used by others?