Richard got out 2 cups and poured about a sip's worth of soda into each. (He then locked the rest of it away so Oscar couldn't do anything with them.) They both drank the sodas at the same time and within seconds they had essentially swapped ages. Richard marveled at how tall Oscar looked now, and Oscar started jumping with glee, excited about his new age. Now that Richard was only 8 years old again, his brain had also changed slightly. He still had all of his memories, but he couldn't help but act like an 8 year old.
With his newfound energy, Richard ran around the house with his tiny little legs, and Oscar grabbed him and picked him up.
"Now that I'M the babysitter, YOU have to follow MY rules now!"
"Uh oh" Said Richard