He communicates mostly in Enlgish, it is certainly possible to learn politesse of your native language.
But if he as a human has to have some personal flaws, am fine with sacrificing that.
But if he as a human has to have some personal flaws, am fine with sacrificing that.
Furthermore, politesse is not a lingual phenomenon. The politesse of a Texan is different from a New Yorker is different from a Minnesotan is very different from a Londoner.