I came back to clarify I described a process that the conversation brought to mind and not that I was trying to say that somebody knows more than somebody else (about what anyway?). I just meant to describe when I find it useful to "play devils advocate" or my "contrarian" side comes out and trying to describe at what point that becomes less useful although the switching point is an automatic function like breathing and I have only thought of it in reflection.
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Youth lives by personality, age lives by calculation. -- Aristotle on a calendar