I discovered that I can be instantly be close and talks about relatively deep subjects with most other foreign workers. ( I am too and it’s obvious )
Being severed from your own culture create a link.
And with people sharing a language, it’s even quicker.
A common ice breaker is to gently make fun of American.
Interesting point: I would probably never have talked with those folks back home. And they would have not either. It’s actually refreshing. We see each other back home as well.
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My actual point: when I come home, I started to behave the same way. And .. it kinda works.