I was staring gloomily at my computer this morning. “What are you doing, Mum?” asked my daughter Imogen. “I’m about to delete my blogs,” I answered. “Don’t, Mum! Why would you want to do that?” “Listen!” I replied. We could hear Sophie and Gemma-Rose crying, and one older son bumping his way around the house in a disgruntled mood. Earlier, Sophie and Gemma-Rose had been arguing over the possession of a…