Same problem, except now the man doesn't know what size bra.
The saleslady says, "Well, first let's determine the cup size. Are your wife's breasts as large as melons?"
"Oh, no," says the man, "smaller than that."
"Grapefruit?"
"No, smaller."
"Oranges?"
"No, smaller."
"Lemons?"
"No, smaller."
"Eggs?"
"Yes, that's it!" says the man. "Eggs! Umm...fried eggs, that is."