Why Would Everything Taste Salty?

Not everything tastes salty. The taste buds detect all sorts of tastes, tangy, sweet, bitter, sour, etc. Does Chocolate taste salty? Or let me put it this way, how do you like your chocolate shake? Do you remember what your pacifier used to taste like? When you recall all those tastes that you may have tasted at some point or other or a delicacy you may have had as your last meal I am sure it would answer your question. NOT everything tastes salty.