The selection of a film for family viewing is a precise and delicate art, particularly with us all now confined to quarters in intergenerational lockdown. Should the film-picker misjudge the terrain on ‘scenes of a sexual nature’, the entire family will be condemned to sit, agonised, through the dreaded onset of rhythmic heavy breathing and beyond, until finally someone cracks and mumbles ‘this is a bit racy’ while reaching for the fast-forward button.