Ethel Mertz: Fred, I'm sorry I said you were a dumb bunny.
Fred Mertz: And I'm sorry you're so fat you sat on my glasses and broke'em.
Lucy Ricardo: I wish there were a place to sit where we could see both sides.
Bus Driver: There is.
Lucy Ricardo: Where?
Bus Driver: I can strap you to the front of the bus.
Lucy Ricardo: Well.
Lucy Ricardo: If some other woman were to take Fred away from you, you'd be singing a different tune, too.
Ethel Mertz: Yeah, "Happy Days Are Here Again."
Lucy Ricardo: Nurtz to Mertz.
Ricky Ricardo: What's the matter with you? Are you crazy or something?
Lucy's Doctor from Jamestown: Hello, Mr. Ricardo. I'm the man who brought your wife into the world.
Ricky Ricardo: I don't know whether to thank you or punch you in the nose.
Lucy Ricardo: What are you? The Cuban television network?
Ricky Ricardo: Yes. CBS. The Cuban Broadcasting System.
Lucy Ricardo: Ricky, we're revolting.
Ricky Ricardo: No more than usual.
Answer: There is no reason. It's a just a silly plot device, typical of the era. Women characters were often portrayed as making uninformed assumptions or decisions.
raywest ★