Ask questions or just talk about different languages. Since BrainKing is an international game site supporting many languages, this board can be kind of useful.
playBunny: Yeah, that "s" was throwing me off too. Hard to say which books and professors are teaching him English. And then there's your English as compared to my English. I bet Reza can speak as well as someone that grew up in an English speaking place, though he might have an accent. He certainly knows grammar better than most people I know.