Expat Advice: Culture Shock in A fellow once told me that if a guy addresses a man's wife as "tú" rather than "usted," it could start a fight. He told me that no matter how long and how well you know a couple, the wife is "usted" to you., Mexico

Did you "commit" any embarrassing or humorous cultural blunders? If you did and you'd like to share them, please do tell!

A fellow once told me that if a guy addresses a man's wife as "tú" rather than "usted," it could start a fight. He told me that no matter how long and how well you know a couple, the wife is "usted" to you.