At least to date, I have not driven when I visit the UK. It's that left side of the road thing. I'm even just a little frightened being a pedestrian. The streets are twisty, the side walks narrow and all experience aside I still sometimes look the wrong way when stepping off the curb.
On a dreary, rain soaked day in Carlisle I found evidence of a tragedy;
Note the fresh flowers....somebody is changing them regularly.