That unlikely-made-likely thing that a feedback loop produces, whatever it is, I call a Water Lily. This is clearly a feedback loop, its Water Lily being the state of aligning with the wind's direction. All these examples teach us a major truth about how useful feedback works in biology and engineering: far from being idle predictions, of the kind a horse-racing gambler or a political pundit might make, these models directly contribute to the achievement of their own Water Lilies.