I run to the post office and while waiting by the traffic light I notice somebody beside me who looks really strange.I look at this man with a pale face,who is unshaved and unclean,wearing dirty worn- out clothes and looks completely lost in his thoughts.His lips are moving slightly,talking silently to himself.On the floor I notice couple of plastic bags with food and rolls of toilet paper.I think about asking him something and observe how other people react when seeing him.But hardly anybody noticed him for more than a second……