"Successful Selling is more Than Personality:'Boy, can they talk! Boy, can they sell!' " Many more can talk than can sell. Did you ever hire someone because they sounded so great - presented themselves so well - you thought they could do anything? But six months later, you're tired of hearing how great they sound, you just want some results? Why? What went wrong? To answer completely, there are two areas that need to be addressed: 1.Behavioral Style. 2.Knowledge of Selling. Behavioral style re.