I never thugt I'd live to be older than 25, having been depressed as a child and teenager. but actually, part of my twenties were really really good. now it's down again, but I assume at some point it might go up- I didn't expect it the last tiem, ... maybe I shouldn't bet on it this time, but hey... one thing I learned through this recent crisis of mine: change is good, when you're in control. While things are changing, aim for the result that sounds the best to you.
oh, also: I think people stay teenagers, mentally, for the rest of their lives. you don't get to see it if you only interact with people professionally, as in, your boss, or so.
but I have some friends, and they're having kids, and their fears and aspirations are still the same. No one has a clue. that's why 60 year olds can still be in need of religion and fictituous attachement figures. because people never actually grow up, but they learn to act like it.
yet, they marry the wrong people, they are unhappy, they get divorced and lose all their money in ill-considered business ventures. they run for president on a class-clown-show and they dream of becoming famous one day. it'll stay the same. but you can change your position in this charade (become an expert in something)
or choose to withdraw from it and pursue other things, like henry david thoreau.
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I can read facial expressions. I did the test.