I am an experienced driver: I've been driving for a couple of decades now, and covered hundreds of thousands of miles in the process. Indeed, there was a period when I did 50,000 miles a year.

I also think I'm a fairly competent driver: it's possibly over 200,000 miles since I was last in an accident that could reasonably have been avoided by my own actions.

So why, last Sunday, did I both scrape a wheel on a curb and also nearly run a red light? The answer: I had other people in the car. 'Tis always the way.