Daphne owns a night club and frequently entertains large crowds. She feels very comfortable on stage and loves to make people laugh. Justin can't bear even the thought of speaking to a large group of people. He gets butterflies in his stomach and shakes so badly he can hardly stand, and once even lost his job because he refused to give a presentation to the board of directors. In order to achieve the level of confidence that Daphne seems to have achieved, Justin could start by doing all of the following except: