I worked in education for a few years back in the day. I also worked in field geology (geological services for mining and construction companies) in the fucking arctic, in the Middle East and in the Caucasus. By far the hardest job I have ever had was that of a teacher.
People simply cannot grasp how soul crushing, exhausting and demanding that job is. Educators don't just have to put up with one crazy kid on his craziest day, but hundreds in any given day, 30 or 40 of them at a time. All this while being nearly completely neutered as figures of authority, buried in bureaucracy and fucking insane parents who are total failures as parents but are more than eager to blame all that failure entirely on the teachers.
I'm not saying we should return to beating kids in school...but fuck me, teaching is borderline impossible at this point.
The brief time I spent as a teacher was a remarkably low point in my life, it took a massive psychological and physical toll on me. If I had to chose between a classroom or being out in Svalbard in the arctic again doing hard physical work, I'd chose the arctic in the blink of an eye.
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I'm highly skeptical of most of Jordan Peterson's work and ideas (the parts unrelated to neurology and psychiatry) but I do agree with his assessment on the importance of rough and tumble play and competitive sports for children (especially male children).
Rough and tumble play first with parents and later peers socializes children into understanding that physical outbursts and expressions of emotion (violence) can and do in fact have consequences.
I think there's a lot we are doing wrong by eliminating that. And by that I'm not referring to fighting, bullying, full contact sports, but rather other forms of physical and competitive play. (The best analogy is how pups or kittens play fight with each other or much bigger animals.)