The evolution of a developer in its natural habitat. Junior devs naively believe documentation exists somewhere in a mythical folder. Meanwhile, senior devs have transcended the need for written instructions because they've internalized every painful bug, every midnight hotfix, and every legacy codebase nightmare.
After years of trauma, they've become one with the code. They don't read documentation—they remember the mistakes that led to its creation. The knowledge isn't written down because it's etched into their souls alongside their will to live.