“Last time, I showed how any three engagement numbers will sit perfectly on some quadratic. ref: Give me a joke back story Here’s a twist: look what happens when we use a post that’s been ratioed—tons of reactions and replies, but almost no one shares it. When I plot likes, comments, and shares as three points, the quadratic still fits perfectly (because algebra says it must), but now the curve opens down. That down‑opening shape is a visual for a ratioed post: big peak of at