The best advice I can give on this is, once it's done, to put it away until you can read it with new eyes. Finish the short story, print it out, then put it in a drawer and write other things. When you're ready, pick it up and read it, as if you've never read it before. If there are things you aren't satisfied with as a reader, go in and fix them as a writer: that's revision.
Neil GaimanShe decides to make a list of the things that make her happy. She writes 'plum-blossom' at the top of a piece of paper. Then she stares at the paper, unable to think of anything else. Eventually it begins to get dark.
Neil GaimanYou know I love you,' said the other mother flatly. 'You have a very funny way of showing it,' said Coraline.
Neil GaimanI don't think immediate tragedy is a very good source of art. It can be, but too often it's raw and painful and un-dealt-with. Sometimes art can be a really good escape from the intolerable, and a good place to go when things are bad, but that doesn't mean you have to write directly about the bad thing; sometimes you need to let time pass, and allow the thing that hurts to get covered with layers, and then you take it out, like a pearl, and you make art out of it.
Neil GaimanYou think you're being given all of these things: phones that can communicate with other devices, car service that's better than a taxi, all of these amazing things that are available to you at any time. It isn't until you've swum across the river that you can start to see the negative aspects of it all.
Neil Gaiman