Make it playful because for Italians, both life & business is supposed to be fun. Seriously, you should leave that serious business-like attitude at home when you cross the Italian border. An espresso & a joke is a real ice-breaker when it comes to doing business in Italy. Ride bene chi ride ultimo (who laughs last, laughs best).
There is no need for you to look better than you actually are in the Italian market. In fact, being real and not at all flawless is a good selling point, as it makes you look more credible! Be you, the Italians will adjust. Great news!