From an outside perspective, I’m sure that our house appears to be clean, tidy and well-organised but let me assure you that this weekend has felt far from it. Whilst getting the kids dressed and sorted for what I was hoping was to be a stress-free, smooth-running Saturday, I discovered that we had acquired unwanted visitors. From that point on it was all-out-chemical-warfare (or should I say warf-hair?) as I smothered us all in large doses of Hedrin, a greasy formula which claims to kill headlice. Given that my hair looked as if I’d dunked it in chip fat and …