There's an epidemic sweeping the nation. Symptoms include: *Acute embarrassment at the mere notion of making a fuss; *Extreme awkwardness when faced with any social greeting beyond a brisk handshake; *An unhealthy preoccupation with meteorology. Doctors have also reported several cases of unnecessary apologising, an obsessive interest in correct queuing etiquette and dramatic sighing in the presence of loud teenagers on public transport. If you have experienced any of these symptoms, you may be suffering…