The Long and the Short of it

Yesterday, I went into a bookstore which shall not be named to sign some stock. The proprietor was gracious, but then told me that she hates reading short fiction. I know this is true for a lot of people, but it seemed to be a rather strange thing to tell someone who has just put out a book of short stories, but never mind etiquette.  She said when she reads stories, she gets involved with the characters and then feels shortchanged when the story ends, when she doesn't get to live for more...