For a moment, Jim looks as if he's about to start ranting. But the baby has turned at the sound of McCoy's laughter, and she lets out a squeal herself. Jim shakes his head, and starts laughing, too.

"Guess I kind of walked into that one. But now I know better, don't I?"

That last is directed at the little girl in his arms, as he reaches to pull the napkin off his shoulder. There's no harm done to his uniform shirt.