Then: the transition word here indicates nothing more than the next step in a series of events. But this is also the final event in this part of the larger story.

It will be more natural in some languages to say that “Nathan went back home” or “Nathan returned to his house” (New American Bible).

Quoted with permission from Omanson, Roger L. and Ellington, John E. A Handbook on the First and Second Books of Samuel, Volume 2. (UBS Helps for Translators). New York: UBS, 2001. For this and other handbooks for translators see here .