He can't be gone for long. [Although Narvin's inherent pessimism means that there's a thread of doubt that keeps sneaking into his mind. He'd reassuring himself now as much as Scrad and Charlie.] I'm his spouse for heavens' sake. He's not going to leave me waiting here.
[Unless somehow their plan didn't work and Kay died for good. Or his memories vanished. Or he was snatched up by vengeful alien criminals and put into a stasis prison. Or there'd been a coup in the MiB and the new director ordered Kay neuralyzed to remove him as a threat. Narvin's gloomy brain could think of all sorts of unpleasant worst-case scenarios.]
Spam
[Unless somehow their plan didn't work and Kay died for good. Or his memories vanished. Or he was snatched up by vengeful alien criminals and put into a stasis prison. Or there'd been a coup in the MiB and the new director ordered Kay neuralyzed to remove him as a threat. Narvin's gloomy brain could think of all sorts of unpleasant worst-case scenarios.]