Rocky remembers and wrote:Why bread and milk?
Well, Rocky ... maybe the most significant (PC) home maker didn't make bread
any more or their oven was electric and if the electric went out NO bread.
Maybe it was too cold for dry yeast to bloom in North Carolina?
Milk.. Well, maybe most didn't have a handy cows TeeT to pull to get the
white stuff and so figured they would buy milk for cereal and coffee till they
worked out getting a cow into the family budget and second bedroom?
Don't even ask me how they would get enough hay to fee the critter.

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I think buying out the shelves of bread and milk seems prudent under these real world conditions.......
The lack of TeeT pulling and the smell of yeast blooming drives people to these extremes.