Tactic
The con artist's trick: make the 'yes' feel like their own idea
Jordan Harbinger explains the social-engineering move he used to talk his way into concerts: frame an implicit downside (your name on a failure) so the gatekeeper does the cost-benefit math themselves and lets you through. The same 'speak the jargon, get inside the circle of trust' principle is how Frank Abagnale posed as a pilot, doctor, and lawyer.
“Now, an amateur person will try to explain and force you to do that calculation by explaining it to you and being explicit. If you can get people to think it's their idea and that's how they solve the problem, then that's the security hole, right? And it's kind of like sales, except for you're trying to unsell them on a certain idea and then you get them to push the issue forward.”
Steal thisDon't argue your case; surface the other person's downside and let them talk themselves into your outcome.
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