A free download from Audible, I'm unfamiliar with the author, but hey, free short story. So, A Gentle Brush of Wings is about a lepidopterist (Google it :P) who, fresh from a bad break-up, is visited by a woman of unearthly beauty who gives him lots of sexxin' and then disappears, making him wonder ...
I got this short story as a free download from Audible, so I listened to it. It had an interesting overlying concept, but the story was quite predictable and it didn't inspire me to pick up Defining Moments (the collection which it is a part of).