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One of my daughters is extremely particular about expiration dates, too. I'm not, except for perishables,like dairy products, meats, and breads.

If meat is frozen and not freezer burnt, I am good with it, the only dairy I will eat is cheese if not moldy if it is I cut it off and it is good enough for me, and yogurt, I stir it and it seems to be good. I freeze my bread with a piece of paper towel and it keeps it fresh, or they say it does anyway I eat it.