>go with euros to Japan
>they all dress in dark thick shirts, super dark jeans
>run to drink sugary, coffee, or some shit over just grabbing water from the 711/vending machines when feeling tired due to heat
>start drinking strong 0's while walking around rather than drink in some A/C place after the hottest parts of the day
>don't replace B vitamins or other shit with anything after eating and drinking like shit because 'it's me holiday!"
>by day 3 all near death due to dehydration and jet lag
>"bruv this place is mental how do they deal with this? Japanese must be super healthy!"

I've met have a dozen friends in Japan and it happens mostly with europoors. Even if I give them advice it falls on deaf ears, anyone from the UK is the worst.