I'm an Aussie married to an American. We've had to adjust to some unexpected cultural differences and quirks.

My wife and I have a lot in common, but there are certain moments that remind me we grew up thousands of miles apart. Ash Jurberg My wife moved from Texas to Australia, and we've been navigating small cultural divides ever since. We technically speak the same language, but trying to order coffee has made me wonder if we don't. We also have different experiences with — and attitudes toward — tipping and traveling. I met my wife, Cece, in 2014 at a music-video shoot in Austin. A mutual friend...