What should you tell a spectator

so when im performing to some audiences they ask me how the trick is done which is natural right? Well i was performing to this audience of around 4 people performing david blaines sandwich trick and he kept pestering me to tell him how it was done and wouldn’t leave me alone at which i had to stop performing as he kept following me around asking me. I was wondering what you tell a spectator if they want to know how the trick is done… also i would like to know what you guys do when you have performed to an audience and they tell you to perform the same trick again, me personally i just move on to a different trick and show them that.

I didn’t find the right solution from the Internet.


References  https://www.theory11.com/forums/threads/what-should-you-tell-a-spectator.49217/

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