'the launch was still travelling over to him, unstoppable, unsinkable, along that invisible line' denouement
ao1: cyclical structure , power of memory , splintered family bond
ao2: boy takes comfort in the memories of him and his grandfather before ralph came in and removed their ability to express their feelings/ repetition of defiant prefix emphasises his certainty that being unable to communicate with his mother has splintered his family/ he thinks of his grandfather as he was the only one able to truly understand him