They did a piece narrated by Alex Kingston, telling River Song's story in order. The wording certainly makes it sound as if they will probably still have a few adventures together, with post-wedding River and post-fake-death Doctor living in the proper order for a little bit, up until A Good Man Goes To War, which is when they start moving backward from each other. Which means that at some point they'll meet for the very last time as a couple and then he'll never see her again, while she'll start seeing younger and younger versions of him.