I like to think he was shaking his head in wonder at all that is unholy and evil in the world. Good to know Western toilets are proliferate. That way when I visit and inevitably get lost on their incredible train system, I can always count on their being a toilet, even if I miss the last train home and have to sleep by one... The only time I've heard similar is with Mexicans in America who are unaware you can flush toilet paper and leave it, odd places...