RK hesitated when I said that I would help the French student put his poster up on the wall at the back of the classroom. He asked if I would do this later. For the moment he wanted no distractions in class. The full attention of the students should focus on his opening lecture about the days of the week.

When I listened to his explanation that the weekend does not start on a Thursday afternoon I guessed that he must be fed up with a high absence rate in his Friday classes.