Dear Julie:

You have my sympathy. I was born a Chinese, too. In the last 25 years, I had been qualified and certified in Canada as an English for Second Language Teacher and several other subjects. But after my retirement, I meant to help my people back home in improving their language skills and then found most of the schools were looking for "White, native English speakers". Some even shamelessly claimed for "White, Caucasian", I felt so awful. I myself had never been taught by an English Native speaker in the English learning process. I respect my teachers just the same. Though their pronunciation were poor, but I managed to have it improved by imitating from all sorts of media. It's really sad to see the silvery money wasted and no apparent results by hiring all those foreigners. I believe that you'll be a good English teacher, too.

Sorry to remind you that there is a place also called Munich in North Dakota in the United States. Please check if the couple were from the States, or Germany, before jumping to any conclusions.
Alex Wu