Answer:
Use me to reward good behavior.
I am the reaction after enjoying soda.
The more you take away from it the larger it becomes. What is it?
To cross the water, I'm the way. For water I'm above, I touch it not and truth to say, I neither swim nor move. What am I?
What can you break even if you never touch it?
When you take away the whole from me there is always some left.