Edna: Well, children, our new ultra-hard PostCherfect chairs have
arrived. They've been designed by eminent posturologists to
eliminate slouching by the year 3000.
Martin: Mrs. Krabappel? [groans] I'm having back spasms...
Edna: [chuckles] I know they seem a little uncomfortable right now,
but eventually your bones will change shape.
Milhouse: I've lost all feeling in the left side of my body. [lifts his
limp left arm with his right arm]
Edna: Yeah, yeah.
-- Recognizing the signs of danger,
"The Boy Who Knew Too Much"