Ah, you think so?

[ He doesn’t fluster, as a rule. But the gazing and caressing have made him blush—something he’s good enough to fake, when needed, but has never been good enough to prevent—and he’s only looking at Byerly instead of casually away because Byerly has already done it for both of them. ]

I suppose scaring all of the new recruits away on their first day is one way to prevent any new spies.