J.K.Rowling has let it slip that 
she seriously considered killing off Harry Potter’s good buddy and Hermione’s love interest, Ron Weasley! The author’s original plan was for all three main characters to survive the series and that’s what actually happened. See this Chicago Tribune article for more details about Ron’s extended life.
Shira S
evanstonpubliclibrary.wordpress.com 
Thank god she didnt kill him off…