It's considered acceptable in our culture to approach perfect strangers, as often or not who may be in extremis, and evangelise. I don't see why that's considered a normal thing. ↗
People say New Yorkers can't get along. Not true. I saw two New Yorkers, complete strangers, sharing a cab. One guy took the tires and the radio; the other guy took the engine. ↗
We sometimes encounter people, even perfect strangers, who begin to interest us at first sight, somehow suddenly, all at once, before a word has been spoken. ↗
When people ask me what I do, strangers on a plane, perhaps, I tell them that I think. Thinking is excellent exercise, as much as swimming or jogging. ↗