You re standing at the supermarket checkout ,frantically trying to pack your weekly groceries alone,at the same time fumbling for you purse. The assistant, meanwhile does nothing to help just sits glaring at the queue that growing behind you. If is sounds familiar you won be surprised to learn that British people moan on average to no less than 13 friend about bad shop assistants But if poor service is increasing it could be because as a nation we re the least likely to male a fuss about it