We own up. We are guilty of more than a few of these. There was the particularly nasty incident with the toddlers, an upturned trolley and, sob, several smashed bottles of wine that has earned Ocado our custom forever. We can’t even remember how many times we’ve forgotten the school cake sale. Our children will never have a sound grasp of economics having watched mummy shell out £24 for a dozen cupcakes that their teachers then sell for 50p each. Middle class problems, indeed!