Reading Naipaul was the very therapeutic for my first generation angst. On some level I now accept that I will now never feel at home - either in my country of origin or in the country that I have immigrated to.
Welcome to the human condition. It applies not just to first generation immigrants, but also multi-generation minority communities (try being black in America, pre-Obama) and lifestyle choices at the periphery of society (e.g. being openly gay).