“sir” is a funny one.
When we were travelling in the States we loved it, along with “mam” - with all of the politeness and civility that it implied.
But this is very contextual.
If someone calls you sir in Australia, then you probably in danger at this point.
Re: Noun: Bro
31"lol, listen to op 'music' and you'll understand"....
https://sebastiansequoiah-grayson.bandcamp.com/
https://oblier.bandcamp.com/releases
https://youtube.com/user/sebbityseb
https://sebastiansequoiah-grayson.bandcamp.com/
https://oblier.bandcamp.com/releases
https://youtube.com/user/sebbityseb