It is deceitful to lie in an auto-biographical tale.
Dorothy is writing a book about her life and has come to the chapter that covers the years in her life when she used cocaine.
Dorothy wants to portray herself in the best light.
Dorothy writes about her drug use and how she was able to overcome it and lead a clean life.
Dorothy writes that she never touched cocaine in her life and berates the use of drugs in her book.
Dorothy inspires many addicts that they can get clean.
Dorothy is found to be a liar when Dorothy's past relations make Dorothy's past drug use known.