Quick question: most coworkers assume that biking to work is a lot more stressful since you get in close calls often, but I don't feel that way at all.
My bicycle commute is a 30 min ride through "downtown", whereas I can take my car to work for a 15 min ride on the byway (free parking at work too). But for me, waiting in traffic jams feels way more cumbersome than riding past them with my bicycle. I had a crash a few years ago, but I believe I am firmly in control and more than 50% of my commute is on bike lanes. I really enjoy getting some exercise and waking myself up, taking in the city life (biking through the old city center etc.).