It doesn't have to be Antartica, although that's a bit of an extreme example. Plenty of people I know have "lost it", albeit to a less extreme degree, after jus

It doesn't have to be Antartica, although that's a bit of an extreme example. Plenty of people I know have "lost it", albeit to a less extreme degree, after just a few years of culture shock, after moving to a different country. Life is hard, and few people have what it takes to survive without the social safety net of everything that is familiar to them.