He will not get so dirty and messed up as he would in the trenches , and that is well , for he has always been a tidy child . '' So Shirley went -- not radiantly , as to a high adventure , like Jem , not in a white flame of sacrifice , like Walter , but in a cool , business-like mood , as of one doing something , rather dirty and disagreeable , that had just got to be done . He kissed Susan for the first time since he was five years old , and said , `` Good-bye , Susan -- mother Susan . '' `` My little brown boy -- my little brown boy , '' said Susan . `` I wonder , '' she thought bitterly , as she looked at the doctor 's sorrowful face , `` if you remember how you spanked him once when he was a baby . I am thankful I have nothing like that on my conscience now . '' The doctor did not remember the old discipline . But before he put on his hat to go out on his round of calls he stood for a moment in the great silent living-room that had once been full of children 's laughter . `` Our last son -- our last son , '' he said aloud . `` A good , sturdy , sensible lad , too . Always reminded me of my father . I suppose I ought to be proud that he wanted to go -- I was proud when Jem went -- even when Walter went -- but ` our house is left us desolate . ' '' `` I have been thinking , doctor , '' old Sandy of the Upper Glen said to him that afternoon , `` that your house will be seeming very big the day . '' Highland Sandy 's quaint phrase struck the doctor as perfectly expressive . Ingleside did seem very big and empty that night . Yet Shirley had been away all winter except for week-ends , and had always been a quiet fellow even when home . Was it because he had been the only one left that his going seemed to leave such a huge blank -- that every room seemed vacant and deserted -- that the very trees on the lawn seemed to be trying to comfort each other with caresses of freshly-budding boughs for the loss of the last of the little lads who had romped under them in childhood ? Susan worked very hard all day and late into the night . When she had wound the kitchen clock and put Dr. Jekyll out , none too gently , she stood for a little while on the doorstep , looking down the Glen , which lay tranced in faint , silvery light from a sinking young moon . But Susan did not see the familiar hills and harbour .
She was looking XXXXX the aviation camp in Kingsport where Shirley was that night .
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