Such an important topic! Here’s a quick cultural guide for the most common mistakes:

🇯🇵 Japan:

• NEVER tip — it’s considered rude and insulting
• Don’t pass food chopstick-to-chopstick (reminiscent of funeral rites)
• Slurping noodles is encouraged — it shows appreciation!
• Say “itadakimasu” before eating and “gochisousama deshita” after

🇮🇳 India / Middle East:

• Always eat with your RIGHT hand — the left is considered unclean in many cultures
• In India, don’t refuse food offered by a host — it’s considered very rude
• In Muslim households, never ask for alcohol

🇨🇳 China:

• Finishing your plate entirely signals the host didn’t provide enough food — leave a little bit
• Never stick chopsticks upright in rice (funeral symbolism)
• The host always pays — don’t fight too hard over the bill

🇮🇹 Italy:

• Never order cappuccino after 11am — it’s a morning drink. Espresso after meals only.
• Pasta is never a side dish — it’s always a separate course (primo)
• Don’t ask for cheese with seafood pasta — it’s a faux pas

🇪🇹 Ethiopia:

• Eating from the same injera plate is communal and represents friendship
• “Gursha” (feeding food directly into someone’s mouth) is an act of respect and affection

The golden rule everywhere: watch what locals do, smile, and don’t be afraid to ask!