I lived out of the country for 3 years. One thing to think about is that living distantly from your family and those you love shifts responsibility on the shoulders of those left behind usually with little ability on their part to object. We help those we love with emotional support but also concrete activities - maybe driving your aunt to chemo, babysitting your friend's son, helping your brother move to a new house. You no longer can do those things if you live afar (even afar in your own country) and others step in to help. There is a shift. You also might miss your culture's expression such as humor. I did, though I also loved my time outside the US.