"Look, David. I'm tired and I want to go to bed. So be nice and go sober up."
"You don't believe me?"
"No. In plain language, no."
He extracted a square shaped box from a pocket. "See this gadget? I can make myself disappear."
"Do that."
And he did.
"Yow!" I screamed.
He reappeared.
I staggered to the liquor cabinet and made myself a double triple whiskey and soda.
"Well?" There was a look of triumph on his face.