"Do you know," she said, "I have got the most racking headache; I wonder if you would hear me through my English History questions, Kitty.  It would be awfully kind of you.  I am so wretched about every thing and things seem so hopeless, and it is so perfectly miserable to think of spending all the holidays here, for I don't believe Mrs. Clavering is going to take us to the seaside after all.  Really, I think life is not worth living sometimes."