In A Separate Peace, the main characters are foils of one another. The plot is pushed along by the changing dynamics of their friendship. Their relationship begins to drift apart when their personalities clash. The changing dynamics of Gene and Finny's relationship and the revelations in Gene's personality are what move the plot along.

At first, Gene fights against his memories. The story is opened with Gene returning to his old school, Devon. A struggle, or some sort of conflict, is clear by the way he practically forces himself to return to the staircase and the tree. He comments on how things have changed, which reflects how he himself has changed. The staircase is hard now, he notices, showing that he feels detached from the object. Meanwhile, the tree is now shrunken and identical to the other trees, which could mean that Gene has moved on from whatever...