As not a New Yorker, I’d like to point out that all five boroughs are legally constituent counties as well as being boroughs for administrative purposes.
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I spent three hours in the Airport there once. I now consider myself a New Yorker and I feel entitled to constantly point out to other people odd trivia about New York, to tell people how street tough they aren’t, and to bask in the urban grittiness that feeds my raw manly energy.