never been to one but some of those guys on youtube appear to perform near-miracles... ask him what his purpose in life is. if he says something about his job, ask him to meta that... if he cant answer directly and without squirming, find someone else.
we are now in a world where lawyers and judges dont know the law, educators dont know jack shit, and doctors dont know fucking medicine... prepare a pointed 3-question handout targeting things that only a conscientious person would be able to answer and give it to anyone who wants to have anything to do with you.