‘John?’ ‘Yes?’ He sounded odd, but it was a bad line, full of crackles and fizz. ‘Emergency!’ ‘What?’ ‘None of us know how to dance.’ ‘You mean you and Simon don’t.’ ‘When have you ever danced?’ ‘At my cousin’s wedding last year. There was a disco at the reception. I’ll have you know that I’ve got moves.’ ‘We’re coming over.’ ‘When?’ ‘As soon as I’ve tricked Simon into coming.’ A long silence filled with crackles and the ghosts of someone else’s conversation, then, ‘OK. At least it’ll be funny.’