It sounded strange when the woman switched from perfectly fluent Japanese to a slightly more obvious foreign accent. Still Japanese, but some of the little quirks and pronunciations made it obvious she wasn't native. However, since she hadn't made a big deal of his accent, he wouldn't tease her about hers.

"You c'n use whichever one y'like darlin'. Ain't really one t'stand on formalities m'self. M' a little surprised y'know enough t'know the difference."