Picture the scene. I'm wearing my basic outfit for flick's party. You know what the theme is, you can guess how I look. I'm working my way around the charity shops in Maidenhead, trying to find that elusive fifth item of apparel for under £100. And there's a nudge at my back, and someone I know in another context says "It was much better the second time, wasn't it." He's dressed almost the same as me and is showing an extra-friendly smile.