I don't think we do it just because they are easier to remember, though we are definitely wired for it. I think the main reason we do it for our existence to me

I don't think we do it just because they are easier to remember, though we are definitely wired for it. I think the main reason we do it for our existence to mean something. For our actions to signify something about ourselves and the world. And that actually affects our present and future behavior. For instance narratives about marriage and love. We are now breaking down the traditional narratives and that is having a profound impact on relationships.