About today's writing prompt genre: Take the following story aspect and work it into a piece, whether poetry or prose, whether you explore what led up to this place in the story, it begins with the thread, or the thread is merely a tiny aspect of the story that has crystallized around the original image. However you choose to write it, use the following as a jumping off point.
Today's thread is...
Talking with an old friend you haven't seen in many years, you bring up a fond memory and he proceeds to explain how wrong you were about your recollection.