Shaggy Sheep Driver - I agree. As a seasoned commuter cyclist in London, I know about this problem all right and have excellent survival instincts on the road! (Ah dear, seems I have something in common with a Tory...
)
Live 7 miles from work, but not doing that at the moment due to resting up for the marathon.
I exercise because I like it, not to be thin (just as well!) or to be a better pilot, though I wish I had my cycling hours in an aeroplane instead. I'd be an ace!