Anger and frustration tend to increase our adrenaline production which is proven to increase our neural processing power slightly, as well as increase our energy when trying to "fix" whatever is grumping us out.
Kinda the flip-side of procrastination.
“Liberalism is totalitarianism with a human face” - Thomas Sowell
“What "multiculturalism" boils down to is that you can praise any culture in the world except Western culture - and you cannot blame any culture in the world except Western culture” - Thomas Sowell