He backed down, says Ms. Contini, co-founder of Synergy Sales Training, Los Gatos, Calif.

WSJ: The Decline of Eye Contact

If the pizza is complicated, with lashings of toppings, Mr. Contini recommends opting for the local red wine Aglianico.

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When sales-training executive Lisa Contini consulted Decker to improve her communication skills, she found eye contact was a key piece of the puzzle.

WSJ: The Decline of Eye Contact

Mr. Contini says one of the problems with matching wine to pizzas found outside of Italy is the number of flavors and toppings chefs use to flavor them.

WSJ: Will Lyons on Wine: There's a Wine for Every Margherita | The Perfect Pizza Pairings

When she looked down to compose her thoughts during a disagreement with a colleague in a meeting several years ago, the colleague assumed she lacked confidence and hammered away even harder, Ms. Contini says.

WSJ: The Decline of Eye Contact

Sebastian Giovinco doubled the lead in the 54th minute after a mistake by Napoli defender Matteo Contini, but Marek Hamsik pulled a goal back five minutes later with his seventh of the season from Jesus Datolo's low cross.

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Contini might well be right.

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