It's great we all have different standards. Though I'm afraid I must be a bit of a slob 🤔
I can deal with a stray hair. Don't like it, but deal with it with equanimity. Pick it up and dispose of it. It's a hair.
Washed in blood stains on the sheets in an IC in India sent me into a bit of a frenzy though.
Cigarette smoke in China, where it shouldn't be? Not tooooo hard to believe 😁😁😁😁 something to get used to PDQ or you're in for a stressful visit.