I certainly was performing before my writing was published, because I was performing when I was very young. And the thing is I'm very comfortable on stage, so a large portion of my act did come from ad-libs.
I do think deception... There's something kind of odd about tricking people for a living, but ultimately, it's a remarkably honest profession, when you think about it. If you violate that code, and you say you're not using camera tricks, and then you do, I actually think that's a kind of serious moral issue.
For the most part, magic secrets are available on a level that's overwhelming and frightening, and they are very accessible if you do the tiniest bit of digging. But, that said, there's a certain group of individuals, in which I am included, who are very tight about secrets and don't share them with anyone.
That's one of the ways language evolved, by some very obscure form becoming common usage. And I must say that I'm very intrigued by use of language and slang, and criminal underground terms.
Not only do I lie, I take real pleasure in lying, in the transmission of magic effects.
One of the best sleight-of-hand guys I know is a plumber.