

Same. I occasionally happen to leave the house with only sunglasses and then I’ve got no other choice if I want to look at a menu behind a counter or somesuch. I still tend to take them off first inside and then go through this little dance in front of the staff where I theatrically put them on in an attempt to ensure that everyone understands my predicament. I’m British after all.
There is none. And that is incredibly liberating. Choose your own path and do what makes you feel good (without harming others).