The Magnificent Ambersons by Booth Tarkington

He went to his room, threw off his coat, waistcoat, collar, and tie, letting them lie where they chanced to fall, and then, having violently enveloped himself in a black velvet dressing-gown, continued this action by lying down with a vehemence that brought a wheeze of protest from his bed. His repose was only a momentary semblance, however, for it lasted no longer than the time it took him to groan "Riffraff! " between his teeth. Then he sat up, swung his feet to the floor, rose, and began to pace up and down the large room.

He had just been consciously rude to his mother for the first time in his life; for, with all his riding down of populace and riffraff, he had never before been either deliberately or impulsively disregardful of her. When he had hurt her it had been accidental; and his remorse for such an accident was always adequate compensation -- and more -- to Isabel. But now he had done a rough thing to her; and he did not repent; rather he was the more irritated with her. And when he heard her presently go by his door with a light step, singing cheerfully to herself as she went to her room, he perceived that she had mistaken his intention altogether, or, indeed, had failed to perceive that he had any intention at all. Evidently she had concluded that he refused to speak to her and Morgan out of sheer absentmindedness, supposing him so immersed in some preoccupation that he had not seen them or heard her calling to him. Therefore there was nothing of which to repent, even if he had been so minded; and probably Eugene himself was unaware that any disapproval had recently been expressed. George snorted. What sort of a dreamy loon did they take him to be?