To never fall, one must lay down as flat as possible, where erosion cannot happen, according to the predictions of every reinsurance professional actuary, hiding behind a wall of rectangles and percentages and five hundred year event horizons which you might lay your bets upon were you a billion air freight: box with the shallow way your flight is weighed down, the suggestion that birds might be so light and yet still fly, would make your grounded confidence tremble and reject every premise of hollow bones and brilliant feathers.