In the alchemists' descriptions, the Philosopher's Stone could have the shape of a ruby, or it could be red powder, or even a red tincture. In short, it had no fixed form, yet this mythical substance remained fascinating.
When humanity chose to believe in alchemy, it poured vast amounts of money into researching this Elixir of Life.
When humanity chose to believe in technology, it invested money in prestigious schools like Harvard University to research techniques for eternal life.
As long as technology could explain it and make it sound reasonable, people were willing to try it—for example, cryonics. People with terminal illnesses had their bodies rapidly frozen while they were still alive, waiting for the day when technology advanced enough not only to cure their diseases, but also to awaken them again.
In essence, this preservation technique was no different from making mummies, except their internal organs were not removed and remained in their original bodies.
Once you chose to believe, even something false would be treated as true.
Some might think they were foolish, but for people in despair, it was a way out.
Once you passed the age of taking pride in wealth, you would understand how important good sleep and a healthy body were. Or, to put it another way, you wanted to experience being young again. Yet when many people were young, they worked hard to avoid being left without a home in their old age. They simply did not have the means to indulge in youth as freely as those "princes and princesses" born into wealth.
And when you grew old, you lost even the right to complain, because so many people lived worse lives than you did. Unless you gave up your privileges and donated all your wealth to the church like Saint