In this very ritualized food culture, eating on the go—either in the street or on the Metro—is frowned upon. A classic French apéro may include a glass of wine and charcuterie board enjoyed with friends outside on a terrace. Don’t expect coffee-to-go cultureParisians usually enjoy their coffee seated at a café, says Bonte of French Side Travel. Respect the importance of aestheticsThe whole design of Paris, with its elegant Haussmann sandstone facades, basically puts beauty before practicality. The queuing style in Paris is simply incomparable to the type of exemplary in-line behavior we might expect in Blighty.