The 10 Strangest Unwritten Rules of Different Cultures
5. Italy – Coffee Etiquette: No Cappuccino After 11 AM

Italians take their coffee seriously, and ordering a cappuccino after 11 AM will instantly mark you as a tourist. Cappuccinos (and other milk-based coffee drinks) are strictly morning beverages, as Italians believe milk-heavy drinks interfere with digestion later in the day. After lunch or dinner, Italians prefer an espresso to aid digestion. Why it matters: Italians have strong culinary traditions, and ignoring them may result in confused looks from locals.