Trout
I’ve noticed a direct correlation with people who talk incessantly and people with short necks. Maybe the neck shortens because the muscles that constantly work the jaw pull tight from over use? This also seems to have an effect on the audio and visual ability to notice that nobody else in the room has had a chance to get a word in edgewise. The expression I see on most incessant talkers is closely akin to that of a trout. The most recent incessant talker I came across was the butcher standing behind my regular halal butcher yesterday. My butcher is…