Context of the passage to the Rocking horse Winner

passage: He went off by himself, vaguely, in a childish way, seeking the clue to "luck." Absorbed, taking of stealth, seeking inwardly for luck. He wanted luck, he wanted it, he wanted it. When the two girls were playing dolls in the nursery, he would sit on his big rocky-horse, charging madly into space, with a frenzy that made the little girls peer at him uneasily. ... his eyes had a strange glare in them. The …

…His sisters even take note of the boy's strange glare. Their fear foreshadows the possibility of a disaster to come. This passage is an excellent example at the longer story. By performing this critical analysis, I have come to realize the importance of literary techniques, vocabulary, the significance of themes, and dramatic purpose running throughout the short story. It has given me a better realization of D.H. Lawrence's brilliance as an author and storyteller.