1. Not Waiting Until Your Date is Served Before Chowing Down
Even if you didn't eat anything for lunch, just because your burger came out piping hot before your date’s pan-roasted salmon doesn’t give you permission to dig in while s/he watches. The one exception to this rule: risotto. As the Italians say, the diner waits for risotto, it doesn't wait for the diner. When it's put in front of you, dig in. What, didn’t your parents teach you anything?