I've been living in a pretty small town for a while now and coming to a relatively big city for more than a week is an interesting experience.
You suddenly realise that air quality is a thing™️, noise pollution is sooo irritating (how can you talk to people in the streets?) and there are way more weird people willing to interact with you.
Of course, cities are different yada yada, but I've lived in this one for >10 years and never noticed this before.
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