Basically adults 100 years ago and more had very different lives and doing hard labor and various things to survive day to day made them into something that is different that what the average adult is today. So many men today have low testosterone and basically act like women. Many women are very immature and emotional beyond even the normal amount that women should normally be based on sex differences. Even many people who exercise a lot and are in good shape would have a complete breakdown if they had to so much as survive sleeping in their car overnight or something.
We are essentially a society of domesticated beings rather than free natural humans. I include myself in this as well as I'm obviously a product of this sick society but have been working for years now to push myself well out of my comfort zone.
A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.
-Robert A. Heinlein