Mulcahy will see when Gaeta makes the connection. It does not happen all at once, but crosses a spectrum: the confusion blends with disbelief (Gaeta, still, even now, wondering if he's understood the unsaid words beneath Mulcahy's explanation), the disbelief stretches into a thin horror, and that horror does not go away once the light of understanding reaches his eyes.

"Gods." He doesn't know what else to say. Even that might not be the right thing to say, he thinks absurdly, when Mulcahy is a priest of a singular god. "That's -- horrible. I'm so sorry, sir."