Being a seasoned Londoner, Martin gave the body the "London once-over" - a quick glance to determine whether this was a drunk, a crazy or a human being in distress. The fact that it was entirely possible for someone to be all three simultaneously is why good-Samaritanism in London is considered an extreme sport - like BASE jumping or crocodile wrestling.

The clever people at CERN are smashing particles together in the hope that Doctor Who will turn up and tell them to stop

I gave the prescribed Metropolitan Police "first greeting". "Oi!" I said "What do you think you're doing?

For a terrifying moment I thought he was going to hug me, but fortunately we both remembered we were English just in time. Still, it was a close call.

Landscaping is the great cardinal sin of modern architecture. It's not your garden, it's not a park - it's a formless patch of grass, shrubbery and the occasional tree that exists purely to stop the original developer's plans from looking like a howling concrete wilderness.

My dad once told me that the secret to a happy life was never to start something with a girl unless you were willing to follow wherever it led. It's the best piece of advice he has ever given me, and probably the reason I was born.

The general public have a warped view of the speed at which an investigation proceeds. They like to imagine tense conversations going on behind the venetian blinds and unshaven, but ruggedly handsome, detectives working themselves with single-minded devotion into the bottle and marital breakdown. The truth is that at the end of the day, unless you've generated some sort of lead, you go home and get on with the important things in life - like drinking and sleeping, and if you're lucky, a relationship with the gender and sexual orientation of your choice.