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already provided
nah bro 
this theory is not it
the old days did have old people, the life expectancy only becomes 30yo because of all the child/infant mortality and death from childbirth. Add a bunch of 0s into the data of a mean and see what happens. Testosterone peaks at ages 17-19 just a bit after puberty ends and declines afterwards. 30 is just when the decline becomes significant (1% per year).
Philosophically it makes no sense to say "humans are not supposed to go past 30", because who decided that? the world has no will.
People have a quarter-life crisis not because of some evolutionary oversight but because of their situation and history
this theory is not itthe old days did have old people, the life expectancy only becomes 30yo because of all the child/infant mortality and death from childbirth. Add a bunch of 0s into the data of a mean and see what happens. Testosterone peaks at ages 17-19 just a bit after puberty ends and declines afterwards. 30 is just when the decline becomes significant (1% per year).
Philosophically it makes no sense to say "humans are not supposed to go past 30", because who decided that? the world has no will.
People have a quarter-life crisis not because of some evolutionary oversight but because of their situation and history
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Erenyeager does not die… nature will eat my assThat's why the 30 crisis exist, you are supposed to be dead, but thanks to modern lifestyle you are alive, and you go insane about this shit
The 30s crisis makes sense when you think about it from an evolutionary angle. For most of human history, people didn’t live much past 30. In the Stone Age, life expectancy was around 30–35, and even in 1900 it was just a bit over 30 globally. That means our bodies and brains evolved to peak young—by 30, you were supposed to have grown up kids, contribute to your group, and then... well, not stick around much longer. But now, thanks to modern medicine and le jews, people live into their 70s and beyond. The problem is, our biology hasn't caught up with that. So by 30, we hit this weird phase where evolution kind of leaves us hanging, and we start questioning everything.
That's also the reason men after 30 start getting weak and testosterone levels go downhill
Brutal but think about it, if you are ugly and fucked up now in your 20s, imagine how you will be in yout 30s(uglier, weaker, with a more fucked up health and more frustrations)
375 b.C. was already civilisation. Im talking about the time where human were still in their natural habitat and lived in caves
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so you want evidence on PRE-HISTORICAL events? are you dumb?
also yes it was civilization, but there wasn't any of the advanced medicine OP implies, so no humans don't live short lives
idk, but your mama told me last night that im a smart boy
Good post. As you say, this "most people didn't live past 30 before modern times" is just bad statistics.Yeah, though mostly because for most of history most children didn't survive the first few years of their life, and their lifespans are included in averages for the whole population.
That's why a much better way to measure this is measuring lifespans at certain ages, such as 10 or 15. For example, in the Roman Empire, slightly over half of children died before 15, but those who lived until that had on average something over 30 years of life left, meaning that they could expect to die in their late-40s or early-50s.
Demography of the Roman Empire - Wikipedia
en.wikipedia.org
The above also has this pretty neat table of how many remaining years of life, on average, we believe you had in Ancient Rome if you reached a certain age:
View attachment 1431988
It's not just the lowered infant and child mortality that is the reason why people currently live longer obviously, we know that lifespans have been increasing even if we correct for that, but it still absolutely can't be understated how much of a factor that was in the past, and the fact that up until about 1900 you had a very good chance of never reaching adulthood in most of the world.
View attachment 1431989
The only thing I can add to this is that infectious diseases were far more dangerous back then, which also has a very real impact on the premodern adult mortality statistics.
People often forget just how much of a difference antibiotics and vaccination have made. Diseases and minor infections that are easily cured today frequently killed young healthy adults during premodern times.
For example: two years ago, I tripped on the pavement and badly scraped my hand. Like, about a third of the skin of my palm was broken or scraped off. So what did I do? I cleaned the wound a few times, thoroughly desinfected it, went to the doctor for a tetanus shot, and I was up and running again three days later.
Had this happened in the 1800s, that scrape would have killed me. I would've developed tetanus and that would have been the end of me.
A shitty little accident like stepping on a rusty nail could be the end of you. And a lot of people died from infections from little accidents like that. So thirtysomethings back then were still far from spent - but they were still living in a world where random bad luck could do you in anytime.
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way to prove my point
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