I was 21 the first time I was a tour guide for a group of Americans on a luxury tour. There were 50 of them in total, from all across the country, with ages ranging from 13 to 65. We trekked around Italy for a week, busing between Florence, Venice, and Rome, with a detour to Pompeii. I should have been nervous, but it was exhilarating: a combination of organizing and educating, with the added perk of temporarily living in five-star hotels. Taking these travelers on vacation quickly became, well, my vacation job and I worked dozens of trips through the end of grad school. As a Brit, I reveled in being able to introduce Americans to life in Europe.