Answer:
What jumps when it walks, but sits when it stands?
I row quickly with four oars but never comes out from under my own roof.
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.
I belong to you but others use me more often than you do
I am longer than a decade and shorter than a millennium
Give it food and it will live, give it water and it will die.