If you have something specific and visible to fear, rather than something that could be anything, it is easier.
Neil GaimanThe 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 GaimanAre you scared?โ asked Mr. Ibis. โNot really.โ โWell, try to cultivate the emotions of true awe and spiritual terror, as we walk. They are the appropriate feelings for the situation at hand.
Neil Gaiman