Answer:
I run up and down the stairs without moving. What am I?
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down but should not be forgotten.
I go up and down at the same time. Up towards to sky and down towards the ground
I'm very tempting so its said I have a shiny coat of red and my flesh is white beneath. I smell so sweet taste good to eat and help to guard your teeth.
You write on me and secrets I can keep. In places never seen. I spin like a top. Though stiff as a board I'm often described like a mop.
I flow from the Homerβs mouth when he sees doughnuts.