Social Customs in Italy and How to Accept or Decline an Invitation

I’m sure that you’ve sometimes found when traveling or living abroad that social interaction can be really challenging. Of course, speaking the language of the country you’re in is welcomed all around the world—and sometimes it’s just a matter of survival! But there can be occasions when, besides knowing how to say something, it’s essential to know exactly what to say (or what to avoid saying). 

How are you supposed to find your way out of this maze of social customs