I have spent a lot of time on my bike recently, to and from my new BJJ school, uptown to the dojo, to Petco to buy more crickets for the geckos. Sometimes I bike to the ferry terminal in Long Island City and take the ferry over the water to 33rd before biking uptown. I consider that the easy route. Other days, like today, I bike over the Williamsburg Bridge and then all the way to the dojo. That's the hard one. It's not just that the bridge is uphill half of the way across, or that it is sometimes a wind tunnel up there. Those things are hard but mainly I don't like the bridge route because I am kind of uncomfortable up there. I am a little bit afraid of heights and a lot afraid of places that I cannot easily escape from. Like tunnels. Or stuck subway cars. Or a fenced in bike path high above the East River. Inevitably there is a moment every time I am biking up the hill when I contemplate just turning around and going back to Brooklyn. Then there is the point of no retu...