I was in the metro station waiting for the train to arrive with my friends in the evening when an elderly Asian lady came up to me speaking mandarin. There were no other Asians in the vicinity and I do not speak mandarin very much, but from the little that I could understand she wanted directions to get out. It was also obvious from her distress that she got lost. Although we were tight on time because we had a reservation at a restaurant, I still took the time to guide her out of the metro and make sure she knew where she was before leaving. Even though she approached me first, I could have…