Lee Child. Jack Reacher, or is It worth dying (№ 318245)

The old-old way which did use fortune teller. Give the other person a lot of times to reply "Yes" or "no" and he will believe that you have something in common. A simple psychological trick based on a prudent approach to the answers, using the likelihood.
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.