you run into a pole looking at a building rather than a hot girl...
You are always walking on curbs and other thin ledges just for the hell of it...
when you use the handicap ramp instead of the stairs ...
A ride through the city, especially a new city, is the most exciting part of the road trip. (LOOK! Look at that rail set! Guys, stop here! Stop here!)
...when you can point at a bloodstain on the concrete and say, "That was me!"
and...?