Food goes off, badly. Especially when it is hidden behind more food for months.
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My brother bit into a mouldy pear that looked good on the outside as a kid he is thirty now and has never touched one since
I have a package of dinner rolls that have sat in a bread box for a year now. No mould but hard as a rock. It's kinda scary to think abt what the hell is in them to stop the mould for a damn year.