Until one of you gets severely sick or something like that, in which case you'll be very happy to not live like a local anymore and fall back on your home country.
This "citizen of the world" rhetoric seems to only ever be "citizen of the world that we like". How about being a citizen of the world in North Korea, or as a woman in Saudi Arabia, or as a gay teenager in Somalia?
Sorry, I have a hard time swallowing the "bourgeoisie traveling the world with Airbnb is the best way to combat bigotry" bait.