You’d think that in a city of over eight million people, you’d rarely, if ever, run into anyone you know—“you’d think” being the operative phrase here.
The worst thing at a restaurant is when your in the middle of a heated convo and the waiter comes up to see if you need another refill, clearly interrupting a private convo and you just have to quickly pretend everything is fine, when it's not.
It doesn't matter if you've been seeing someone for two months or three years: deciding where and what to eat for dinner almost always becomes a legitimate argument, regardless of where you live.