Unspoken Social Rules In The US That Are Good To Know For Foreigners
Every country has its own set of social norms that may seem little, but can be a dead giveaway that you are not a local. The goal is never to completely change yourself when entering a new culture, but if you can avoid offending people that's always a plus. In the US it's normal to take leftovers home, but in certain European countries, like Italy, it's considered a major insult to the chef.
It's hard to recognize your own societal norms, but perhaps this list can jog your memory.