- Home prices starting at $1 million
- Not owning a car is the norm
- People really don’t care how you look or how you dress. See image above
- Your shoes wear out very quickly. You’re walking like crazy in New York.
- The city is organized according to a fairly well-thought-out grid (at least for Manhattan).
- The metro operates 24 hours a day
- You can easily hear 7 different languages while walking down the street in one day.
- The waterfront property isn’t the most valuable — a little weird here, but the property that’s a bit inland in Manhattan has been the “best” real estate
- You’ll see famous people, but they’re not normally bothered by fans, so famous people are rarely the richest person in the room.
- Sit in Washington Square Park and you can play chess with a grandmaster.
- “Showtime” street performers do acrobatics, sing, and play music in the subway.
- 3 people sharing a 1-bedroom apartment who do not have a romantic or family relationship with each other
The original credit for this answer goes to the author of the original post. I am just a translator who has translated the answer into English.