Doctor: Oh dear...
Mother: Is that bad?
Doctor: I'm afraid your son has "the knack".
Mother: "The knack"?
Doctor: The Knack. It's a rare condition characterized
by an extreme intuition about all things
mechanical and electrical ... and utter social
Mother: Can he lead a normal life?
Doctor: No. He'll be an engineer.
Mother: Oh, no! [starts crying]
Doctor: There, there. Don't blame yourself.