Relationships with narcissists peter out slowly and tortuously. Narcissists do not provide closure. They stalk. They cajole, beg, promise, persuade, and, ultimately, succeed in doing the impossible yet again: sweep you off your feet, though you know better than to succumb to their spurious and superficial charms.
So, you go back to your “relationship” and hope for a better ending. You walk on eggshells. You become the epitome of submissiveness, a perfect Source of Narcissistic Supply, the ideal mate or spouse or partner or colleague. You keep your fingers crossed.
But how does the narcissist react to the resurrection of the bond?
It depends on whether you have re-entered the liaison from a position or strength or of vulnerability and weakness.
The narcissist casts all interactions with other people in terms of conflicts or competitions to be won. He does not regard you as a partner but as an adversary to be subjugated and defeated. Thus, as far as he is concerned, your return to the fold is a triumph, proof of his superiority and irresistibility.
If he perceives you as autonomous, dangerously independent, and capable of bailing...