First of all Emily didn't kill her worker. In the end of the story he is the one who opened the front door when the people came in the house in the last section. Emily was more crazy than miserable. The underlying theme of this story is that love has no boundaries. Obviously I concluded this from the last scene where they found a dead man's body lying in bed and the indention of a head in the pillow next him. Emily slept by that man every night. The room was furnished as if for a bridal and all of the man's things lay scattered about the room untouched and dusty. If you have any more questions post a reply!!
             Actually the theme is not that love has no boundaries. The theme is change. If we refuse to change, then we are destined to live with death. Emily does not want change in her life. Since Emily tries to deny change, she slowly decays. There a various details to back up this theme. The decriptions of her body and home shows she is trying to outrun theme. Hoped this helped some!
             apparently she poisoned him because she went to the drugstore and asked a man about their strongest poisons and then chose arsenic. when the man asked her what it was for she didnt reply.
             The Man who lays in the bed is Homer, Emily's lover. The following paragraph means that emily used the arsenic on Homer and everyone thoguht he left town, instead she murdered him to keep his love forever. the whole story is about the past and present conflicting, Emily was stuck in the past so she kept Homer in the rose colored room, the bridal room.
             The story is named a rose for emily because the room they found homer in was in rose, homer was like emilys rose, preserved
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