Actually Sir Ralph was feeling guilty for his past deeds at that moment. There was a feeling of regret for misguiding the ships and looting them after cutting down the bell from the Inchcape Rock. This regret mixed with the thought of the dreadful death made him suffer from a horrific hallucination.
Chat with our AI personalities
He asks him to sharpen it at both ends with intent of putting one end in the ground and the other end to have Ralphs head on it. This is not explicitly stated in the novel but we know this because of the lord of the flies
The music that DJ's team are dancing to just before those lyrics I got a feeling is called Sex, Love & Money by MosDef
Its my opinion (he is still hot as ever in New Moon) that he looks different because he is, at the beginning, lying to himself and Bella about his feelings so she will let him go. And again at the end because he is worried (about the Volturi and Bella's safety), upset and feeling guilty about leaving her. He comes to terms with a lot of new emotion in New Moon, things he has never felt before, things that have never mattered to him before Bella.
Because in the end of the chapter, Jack's tribe attacks Ralphs tribe. Piggy thought they were after the conch (The Shell) but instead, they stole Piggy's glasses for fire usage (The Glasses)
Feeder - Feeling the Moment