When you're young, you have the energy and time, but no money.
When you're middle-aged, you have the energy and money, but no time.
When you're old, you have the time and money, but no energy.
https://suereynolds.net/
The previous generation can just put in 9-5, work in one company their whole lives. and rely on their retirement pension in old age.
Millennials today have no such luxury. They have to manage their careers and finances personally or they will be left penniless when they are old.
Somehow I reached the point in my life where I started to question all these things many years ago.
When you're young, you have the energy and time, but no money.
When you're middle-aged, you have the energy and money, but no time.
When you're old, you have the time and money, but no energy.