The Deepening Stream

When people talked about things they could remember Matey always wondered which kind of remembering they meant-the kind that was just a sort of knowing how something in the past had happened or the other kind when suddenly everything seemed to be happening all over again. Why did time fade out some memories so that they didn't seem any more real than a story in a book? And why were others, whether you liked it or not, a living part of you at any moment when they come into your head?