Four types of people join the military. First, for people like me, it's a family trade. Second, there are patriots, eager to serve their country. Third, there are people who just need a job. And fourth, there are people who want to kill other people. The military is the only place where it's legal to do that.
An old, old process, exploited by fortune tellers everywhere. Steer a guy through an endless series of yes-no, right-wrong questions, and in no time at all a convincing illusion of intimacy built itself up. A simple psychological trick, sharpened by listening carefully to answers, feeling the way, and playing the odds.