GF: No you don't have to catch fish. Pat McManus, one of our best, often brags that he can never catch a fish. I caught one once, I think, no wait, maybe that was Bill H. Well I do know some guys who catch fish.

I have done many how-to articles on things I know little about. I simply find the expert, interview him, and tell my readers this is what he had to say.
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No huevos no pollo.