Case in point: The other night James was trying to give Isaac a bath while I did the dishes upstairs. I heard a lot of whining from Isaac and a few exasperated "Child!"s from James, and then finally I hear "Honey - will you come down and help me? Isaac is refusing to take his clothes off. So I trot downstairs, James meets me at the door of the bathroom, and in the time it takes for me to give him a little commiserating pat on the shoulder, Isaac has done this:
Don't worry, he wasn't actually drinking soap. The bottle is empty.