I know things have crashed, but, the dollar is still a midget compared to the pound, so, you need to come to the US I'd be glad to teach you to drive on the right side of the road. LOLZ.
Remember, other people are probably just as flustered as you. My recommendation would be to put on the best look of disdain you can manage which will generally leave them flustered and give you time to turn on the charm and wit.