The story stays but the memory goes

I wish memories were like films that you could replay in your head. You learn in psychology how weak memories really are. They fade quickly. As time goes by it gets more and more difficult to visualise the memory... It just turns into a story. You know what happens in the memory but you can hardly see it. It scares me that, one day, my life as it is now will just be a story with a few fuzzy pictures, triggered by a place, or a smell, or a song.