Many shelf-stable pantry items have something in common: they're either natural preservatives themselves (like sugar, salt, ...

Eagle-eyed Married At First Sight (MAFS) viewers have noticed a NSFW item on John Aiken's shelf during his chat with groom Eliot Donovan.

For instance, there are always items you should never put in the dishwasher at all, and there are even things that are better placed on the top shelf only—unless you want to risk the extra heat ...