If you think your life is stressful it’s good to reflect on what poor René Artois went through each week in ’Allo ’Allo!, the 1980s BBC sitcom set during the German occupation of France. RAF pilots hidden in his mother-in-law’s cupboard upstairs, German officers in the café downstairs, Herr Otto Flick of the Gestapo likely to limp in at any moment – and all the time trying to serve drinks and juggle a sex life that would have exhausted even Errol Flynn.