what does ralph realize about piggy?

Even before his death, Ralph realized that Piggy could think step by step inside that "fat head of his". Ralph began to confide in Piggy as a friend. He was able to see his worth rather than his fat body. After Piggy's death, Ralph had lost a "true friend". Piggy was not only smart; he had become brave and heroic. Piggy made his last stand in the name of civilization, even in the face of violence.