If you've ever attended a work retreat or met with a career counselor in high school, chances are you already know your MBTI personality (I'm an ENFJ). Myers-Briggs questionnaires are typically associated with team-building retreats and what you talk about with your friends and family when you're bored, but the personality types have been cropping up in another unexpected place: dating apps. It goes a little something like this: "Mike, 35, Lawyer, INFJ, loves pizza." But is that actually an indi...