Ah, Christmas time, the season for the friends-of-family, neighbours, and that aunt who isn’t your real aunt, but a friend of your parents, you think. They all want to pop round after you guiltily include them in your festive gathering. It’s a time for being kind, relaxing (unless you’re hosting, then it’s the most stressful time of the year), and being just a little more friendly. If you want to, of course. “Come and give me a hug”, I’ve heard  ...