Riding the bus is a reminder to be grateful for having a bus to ride. And for being fortunate enough to be able to own and drive a car.
It's also a great way to stay in shape. If you can't get to the gym, there's nothing like a last minute sprint to the bus stop.
Okay, confession time: during the Bus Challenge I also drove my car to the West Chester KOA for a rendezvous with a college friend who lives in Belleville, IL, and who was visiting for a high school reunion. She and her husband brought ten of their friends (who could resist?):