My friend Sam got a wonderful appointment as a software engineer from on overseas company in another country. Some of us might jump with joy under similar conditions, but Sam was apprehensive of so many things. Apart from basic materialistic adjustments, he was thinking about adjusting to the local social and professional culture there. He did not know the local language. Also not being of very robust health, he was thinking about any health complications that might arise in the new environment. Last, but not the least, as he was a family man, the prospects of staying in another country singly, far away from his aged parents who were unfit for relocation filled him up with nostalgia. The affinity of human nature towards the known and experienced makes people prefer to stay in their own cities [...]

