You are sheltered, that doesn’t count. People frequently get hypothermia on the beaches in NorCal because it’s windy with 60F humid air and that’s with clothes.
> You know many Canadians wear shorts at 50F, right?
Shorts are clothing FFS! “Slightly more of my leg is exposed while I’m awake” is not the same as being able to sleep naked without shelter.
Humans came from warm clients in Africa. Living in the north depends on critical technological advancements that quickly puts it outside of “”nature (fire, clothing, construction).
> You must be from a place that gets hot.
Not at all, I grew up in miserably cold environments (high mountains in Wyoming). When you grow up with it you become blind to all of the basic technologies your life completely depends on.