That ingrained bit of learned knowledge they'd given him in the army almost made John salute at the title, but he knew better than to make an ass of himself just then. There'd be time for that in a minute. After the shock of there being a secret... base, he supposed? In Cardiff. Cardiff, of all places.

And it was apparently captained by someone who didn't know when it was appropriate to flirt. And who was flirting with him. A man. Not that that was a problem, it was just. "Right," John said slowly, putting his cup down on the counter. "Cute. Yes." And... there went the unshakable mask. "...You have a secret entrance to, I'm going to guess, a military post. In a tourist office. In Cardiff." He turned his head to look at Ianto, disbelief obvious in his expression and voice, "You're a secret agent?" A pause. "In Cardiff?"