So Child Two came home on Friday and made an announcement which nearly caused me to vomit. ‘I have to make a model of the Forum in Rome.’ As if this was not bad enough, she then added: ‘And I have to make it out of matchsticks.’ It took all my strength not to propose a joint suicide pact. But, over the ringing in my ears, I could just about hear a little voice suggesting that this would, perhaps, not…