Alone, at 5am, I stepped off the bus. Alone, I took the U-Bahn to Friedrichstra├če. Russia, Estonia, twice Finland, Austria, Slovakia, Hungary, and the Czech Republic were behind me and Berlin was my final destination. A month of classes, and then my sojourn abroad would be complete. By now, I was used to drifting. I became a walker, a wanderer, gliding down endless streets, avenues, alleys as languages flowed over me, understood in varying degrees. Friends faded in and out as I moved around. But often, I was alone. I was toughening. I was learning I am who I can trust. And now, shaping myself, I could sense the future, both certain and unknown. I was gaining some control as I wore down my…