i realize that it may undermine making sammiches but maybe it requires more salt or salt and another resource.
maybe a mood loss if you eat more than one in a game day
travel rations? stale bread made from old buns and salted meat?
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shelf life for food????
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after food spoils it can be turned into less desirable food items with a mood decrease
new skills that make food last longer or better at using spoiled food?
introduce "Chilled Bags" or "Refrig'a'Bag" or just a refrigerator.... where food items keep twice even thrice as long?