four o'clock
Her head ached . It was always aching now . And when she tried to write she felt as if she were weaving string out of the grey matter of her brain , with the thread breaking all the time . At four o'clock she rose wearily and began to get tea ready . Nina was coming to tea that afternoon . It was something to look forward to , something that would stave off the pressure and the pain . Her tether had stretched ; it had given her inches ; but this was the end of it .