Basics & Culture
Fundamentals of fair splitting, Japanese warikan culture, etiquette, and money columns.
Why a Licensed Architect Built the Bill-Splitting App FAMI-KAN — It Started With a Notebook and Guesswork Back in College
Back in college, I was the designated driver who loved to drive — so I ended up writing down everyone's expenses in a notebook after every trip. I had a calculator, but sorting out who paid what, and adjusting for the junior members, was pure guesswork. The numbers never quite added up. That hassle followed me into adulthood, until I finally built the bill-splitting app FAMI-KAN myself. Here's the developer's own account of why.
Warikan on a Date: What Japanese Women Actually Expect
Dating in Japan? Warikan is more nuanced than you think. Learn what modern Japanese women expect when the bill arrives and how to respond gracefully.
Is Warikan Common in Japan? A Tourist's Practical Guide
Separate checks are refused at most Japanese restaurants. Learn what warikan means and how tourists can split bills smoothly without blocking the register.
Warikan Explained: Japan's Unspoken Bill-Splitting Rules
Warikan in Japan is not the same as going Dutch. Learn the unspoken rules at izakayas, when betsu-betsu is acceptable, and how mixed groups settle up.
"Going Dutch": The Surprisingly Petty History Behind It
Curious why splitting a bill is called "going Dutch"? The answer lies in 17th-century Anglo-Dutch rivalry and an insult that became a modern social norm.
Why We'd Rather Lose $50 Than Ask a Friend for It
You negotiate salary easily but stay silent when a friend owes $47. Behavioral science explains why — and why a shared system beats a direct ask.
Tipping at Group Meals in the US: What You Actually Owe
Tipping on a US group dinner confuses even regulars. Learn when auto-gratuity applies and how to calculate 18-20% fairly when splitting the bill.