Reader Question: My husband’s and my fondest memories are of traveling and meeting people overseas, and we have more Facebook friends abroad than friends at “home.” Now we’re asking ourselves, “Why do we live in the USA?” What should we be thinking about?  Paul Sutherland: I have always traveled so much that I run out of pages in my passport before it expires, and our home safe includes currencies from dozens of countries, collected so we don’t have to search for a currency exchange when our (cheap) red-eye flight arrives at 3 a.m. and we need cash for a taxi. I used to travel mostly for business and to feed an insatiable curiosity and love of cultures. But that shifted 12 years ago when I met my wife, Amy. I think about this because traveling through life is now one big adventure for both of us, as well as our children. Our nine-year-old is already working his way through the pages of his fourth passport. Now living in Uganda, we sigh, but no longer shudder, as we wipe blood from smooshed bed bugs off our necks, or swallow deworming medications I used to think were just for dogs. We inspect funn …