He was correct about the color, but not about the product. What he had found was actually a 9 month old block of Velveeta, which had been shoved to the farthest reaches of the icebox, where it had proceeded to morph into Grade A Penicillin. It dawned on me that most consumers have these hidden treasures in their refrigerators as well. Leftover Easter eggs should be discarded by Christmas.
Milk is spoiled when is starts to look like yogurt.
Yogurt is spoiled when it starts to look like cottage cheese. Cottage cheese is spoiled when it starts to look like regular cheese. Regular cheese is nothing but spoiled milk anyway, and can't get any more spoiled than it is already. Cheddar Cheese is spoiled when you think it is bleu cheese, but you realize you've never purchased that kind. There are no breads of any type with the words Fuzzy, Hairy or Green in their names.