Can be a region, state, city, or country thing!
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Where I am (North Carolina) don't mention politics in polite conversation unless it's the right setting. Or college athletics. It can cause some serious arguments, especially during March. On a lighter note, you always address older people as sir/ma'am, and offer your seat to them if they need it. Or you should at least.
YES. Nobody prepared me for College sports when I moved to the US. There will be blood if you say the wrong thing.🤣 Nobody prepared me to be called ma'am either...I found it so insulting at first, but now I realize it's just cultural.
Where I live (neighborhood in the south) the rule is your front/back yard MUST look good. I live in a average neighborhood but the neighbors are really into doing the lawns
Where i live (this applies to only my neighborhood and school)
No yo mama jokes... many kids at my school have lost their mothers...
This rule has been broken, once that ive heard of and the kid who broke it got pounded on in the middle of class...
Lets just say, if you make a yo mama joke, especially to one of these kids, you better have some plot armor :/