Mom: "No, I think some things are flat out impossible."
B: "Like what?"
Mom: "Can you fly?"
B: "Not yet."
Mom: "OK. Can a pig fly? You can tape all the wings you want to a pig. It will never achieve flight. Or sing. Ain't no way a pig's ever gonna sing."
B: "Mom, I can invent a flying machine. And maybe pigs can sing. How do you know?"
Mom: "Good point. You quitting picking your nose? Impossible!"
B: "I did quit, maaaawm!"
Mom: "Dude, I saw you pick your nose yesterday."
B: "Maaawm, I quit today!"
Mom: "Sure you did, B, sure you did."
B: "See, mom, nothing's impossible."
Mom: "T listening to him mom for once? Huh? What about that one?"
B: "OK, almost nothing is impossible."