Sentence:  “You are deserting me?” / “Don't be the neglected, dramatic wife, Scarlett. The rôle isn't becoming. I take it, then, you do not want a divorce or even a <WSD>separation</WSD>? Well, then, I'll come back often enough to keep gossip down.” 
Meaning of the word marked with <WSD> tags:  An agreement legalizing such an arrangement.