The feeling that many people with depression get when they feel like they finally see the world as it is, like the veil of ignorance has been lifted from their eyes, and they see it as if everyone who is happy is just blissfully ignorant and fooling themselves, and that they've uncovered the unfortunate truth.
"I wish I could go back to when I was a child and didn't know anything about the world. I used to be all about seeking the truth, no matter how much it hurts y'know, like taking the Red Pill over the Blue Pill, but, now it hurts so much that it almost feels like I Overdosed on the Red Pill"