The hook comes from a Chinese pop chorus that spread through short-video apps, where users turned its sweet, singable melody into dance challenges, lip-syncs and fast edits. Because the chorus is short and instantly catchy, remixers sped it up, looped it and paired it with bright visuals, and the double-speed version became a handy shorthand for playful, high-energy moments. It remains popular because it works without context: even a few seconds signal a light, meme-ready mood.