What part of "no" don't you understand?

Jack: "I'm hungry."

Me: "Would you like crackers?"

Jack: "No."

Me: "Would you like grapes?"

Jack: "No."

Me: "Well what would you like?"

Jack: "Ice cream."

Me: "No, you've already had dessert."

Jack: "But I want ice cream."

Me: "No."

Jack: "But I just want a wittle bit."

Me: "I said no."

Jack: "Pwease."

Me: "No Jack."

Jack: "But I said just a wittle bit."

Me: "And I said no."

Jack: "Pwease."

Me: "No."

Jack: "But I just want a teeny tiny bit."

Me: "No."

Jack: "But I just want a inch."