@mavnn @lindsey - it's true that the British and probably people from many other cultures are too careful to be taken seriously in US culture, just as US people tend to seem rude in those more polite cultures. There are even videos on how deal with this:
https://www.youtube.com/watch?v=gZgHfvuEWOg&list=PL9bzCTKB7rCbZIXSR8YZI_mILnzmKnHHm&index=3