You ought to put another button on your overcoat, his friend told him. I met him in the middle of the Cour de Rome, after having left him rushing avidly towards a seat. He had just protested against being pushed by another passenger who, he said, was jostling him every time anyone got off. This scraggy young man was the wearer of a ridiculous hat. This took place on the platform of an S bus which was full that particular midday.