Identify a theme of "Lee Sherman and the Toxic Louisiana Bayou" and explain how it develops over the course of the story. Use at least three pieces of evidence from the text to support your response.

Fine fellow, that lebrun," said arobin when robert had gone. "i never heard you speak of him.""i knew him last summer at grand isle," she replied.  what becomes apparent during this conversation? robert and arobin are both aware they are rivals for edna’s affections. arobin is unaware of robert’s role in edna’s life, but robert is aware of arobin’s role. robert is completely unaware of arobin’s romantic intentions and love for edna. robert has much more confidence in himself than arobin does.