Answer:
*forward* *backwards*is what I do all day. I come in all different shapes and sizes. I can be scary and I can calm you down.
A spirited jig I dance bright, banishing all but darkest night. Air can't kill me but water can. Share me, I won't get less unless wind ruins me. What am I?
No matter how hard you hit me, no matter how much I hurt, I'll always go for a laugh. What am I?
I am the kind of fish that chases a mouse.
After you go through a fall, I will take over. All life will stall, or at least grow slower. What am I?
I flow from the Homerβs mouth when he sees doughnuts.