The British are very proud of their nation, they are inherent restraint and civility, which may at first glance seem cold and indifferent. In fact, the tourists here are friendly and welcoming, never refuse help, if necessary, explain the way, or even carried to the right place. UK residents hold sacred their customs and traditions, which explains the existing political system.
Please be aware that the Scots, English, Irish and Welsh perceive as an insult if to confuse their nationality. In conversation, best to stick to the neutral, suitable, for example, the notorious weather.
Outside the country of UK residents are known for their "British humor", talking about the unpredictable weather and the traditional tea at five o'clock in the evening