If all responsibility is imposed on you, then you may want to exploit the moment and want to be overwhelmed by the responsibility;yet if you try, you will notice that nothing was imposed on you, but that you are yourself this responsibility.
If they were shocked, then Gregor had no further responsibility and could be calm. But if they took everything calmly, he he, too, had no reason to get excited and could, if he hurried, actually be at the station by eight o'clock.
