A mother put her son to bed on the eve of his fifth birthday. She was trying to communicate that birthday idea to him. "Kevin," she said, "this is the last night of your fourth night. Do you understand that?" Kevin was ready to communicate with his hands. For a full year, he had shown people four fingers for his four years, and now he was ready to add a thumb. Seeing his four fingers, his mother nodded, and said: "When you go to sleep tonight, you'll still be 4-years-old. But do you know how old you'll be in the morning, when you wake up?" Kevin nodded enthusiastically, added his thumb to his four little fingers and said, "Tomorrow, I'll be a handful!
