I live in London, on Oxford Street. You can't really live in a more urban environment than that. Last weekend Helen and I got out of London to the North Downs to go hiking. For me, this is the ideal lifestyle; live in the city in an exciting, stimulating environment. When you feel like "getting back to nature" - pick the environment you want, and go there for the weekend. The countryside is a great place to visit, but I wouldn't want to live there!
Garth Sundem of Geek Logik fame has a blog in which he comes up with formulas for wrapping every-day decisions in a mathematical framework. It's something I've been thinking about for quite a while - especially with regards to procrastination. The trick is to quantify all the factors that you think are important in the issue you are considering, and then describe the relationship between the variables mathematically.
I read the following quote at "The price of everything" blog: “You couldn’t get a clue during the clue mating season in a field full of horny clues if you smeared your body with clue musk and did the clue mating dance.” – Edward Flaherty. I can't wait to find someone to insult.