Well, here's the story behind that...
I was working in a market with all sorts of vendors, people, pets, etc. This guy walks up to me after a trick and says "Hey are you a magician? I don't like magic." And he was just standing there, as well as I, looking like two fools having a staring contest. I had to do something...so I said "Well, think of it as E.S.P. then." "Okay, sure, show me something." Blah blah blah......I showed him an effect with a simple key card method and boom, he liked magic. (Actually, he was tricked
into believing it was E.S.P.,
So, the guy was somewhat of a thick person. Atleast he believes now...he he he.
Well that's one person. What do you do with the other tons of people who say they don't like magic? Surely you don't do some of the other advice you gave? And you said this happens at a convention or show? You have done professional shows and someone tried to ruin the show that way? That's weird. Or at conventions?
Possibly they don't like your magic. Maybe the person is saying this to make some bigger point. I have friends who like that I do magic, but who used to get annoyed with me for running around showing them tricks all the time. About a year and a half ago I stoped showing friends tricks like that, unless they ask or I am working a formal show. The trouble was, I was annoying and not that good then. Now that the supply is down, the demand for my magic has risen (with some.)
You say you were working at a market. Were you busking, or were you just showing people tricks? Were you showing strangers tricks. Did you pass a hat? If you are busking, this type of situation would be weird and pretty rare. This is a person deliberately trying to mess up everything and standing too close to make you comfortable. This is one situations where some mild humor would help. But if he just walked up and said, "I don't like magic," and then stands there, why stare him down? Just start a trick and pretend that he wants to see it. The ESP line won't work most of the time, because you will find that many people who are nervous about magic, are nervous because they fear it is real (occult), and ESP would make it more likely to convince them of that.