Bart: Man, I thought Mom was going to scream me stupid. She didn't even
raise her voice.
Lisa: I admit I haven't known Mom as long as you have, but I know when
she's really upset. Her heart won't just wipe clean like this
bathroom countertop: it absorbs everything that touches it, like
this bathroom rug.
Bart: [looks at rug] Really? You think _this_ might be one of those
Lisa: [with her mouth full] I don't know.
-- The bathroom: the metaphor for life,
"Marge Be Not Proud"