The line comes from The Simpsons episode Bart's Inner Child, part of the long running animated series built around Homer and the rest of the Springfield family. The joke works because the delivery stays completely sincere while everyone else is caught up in therapy speak and self help enthusiasm. Clipped on its own, the phrase escaped the episode and began circulating as a standalone reaction, shared whenever a comment in a group chat or video thread feels oddly phrased, unnecessary or impossible to respond to seriously.