At this time of year I feel like I’m being grabbed by the elbow and propelled towards the Christmas I am not yet ready for. Sainsbury’s ‘know Christmas is more than just one day. It’s about a whole season of days’. Apparently it’s not enough to panic buy for one day, and we must cater for the entire duration of the festive season. And to fail to act now means to risk being left behind. So it comes as a welcome change when a keen salesman...