I used to bang my head when I was frustrated. I still do occasionally. I've also self-harmed in other ways, both obvious and more abstract.
When your frustration comes in litres and your coping abilities are intended for millilitres there's bound to be times your bucket overflows.
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The Party told you to reject the evidence of your eyes and ears. It was their final, most essential command.
If you're not careful, the newspapers will have you hating the people who are being oppressed, and loving the people who are doing the oppressing. —Malcolm X
If you feel useless, just remember the USA took four presidents, thousands of lives, trillions of dollars and 20 years to replace the Taliban with the Taliban.