Munching.

My brain, in fact, probably most brains, have developed highly acute responses to the sound waves generated by certain orifices. Wow, I really could go anywhere after a sentence like that, but I am devoting this post to mouth noises.

I am surrounded by around 9 people in an open office environment for a number of hours a day for a number of days a week for a number of weeks a month for a number of months a year for a.....

Each individual presents new and interesting noises for my ears to intrinsically hone in on every single time these eccentric noises are exercised.

The rarer and more exotic ones are fine, but the incessantly repetitive ones? They grate on my very living being like the torn rusted edge of a piece of corrugated steel being scraped by an enormous earth mover (the Caterpillar D11T for instance) across a giant, spotless blackboard.