The Paradox of Sourness

Scientists have no frigan clue as to why we even have the sensation of sour. No vertebrate, a backboned species, that has lost the ability to identify sour citic foods. The theory here is that, evolutionarily, it's needed for something. Swallow the bunk. That's my favourite line. F mai.That's not from gudvathevslesfom. That's a little but thet just a little tip to anybody listening.