https://www.sciencedaily.com/releases/2017/07/170705133020.htm
I’m surprised they’re surprised by that.
I can tell someone’s class by their blink rate.
You can wear the clothes, spout the same politics, but your brain will operate differently and your body language won’t match up.
Poorer people look more bitter, although that might be a processed diet.
I know there’s an HBD angle for this but I cba to find the links. Look on reddit.