tell me something not so obvious

I think, that having purpose in life helps, and women tend to prioritize social connection from a very young age, therefore they are on average more connected and that helps in finding purpose. The rest is pure force of will to fulfill the purpose

Very useful rules, I see… impossible to bypass :-)

And the picture from 1991 is in black and white?

GTFO

Edit: seems I was wrong in my assumptions

not yet

The same can be said for banknotes, they are quite useless as paper, they are mostly valuable because people see them as valuable and perceptions can change