S Arthur Grey
woven by a poet's loom
Oh, this should trigger a whole bunch of pop-psychology responses! Could be interesting. I may as well offer a bit of my own.
For now, in answer to your last question, you could start with something insular, something of your own that is positive that can not be ruined by social conventions, governments, people you have to live with, media (they seem to love the negative), and so on, and build on that.
Sometimes we are up against someone's attempt to convince us to do something via a looming negative scenario. There seems to be a bit of that going around these days.
The most common pop-psy response to these questions will probably be "It's up to you to be positive", and to a large degree it is.
And that can spread around you as well.