In my experience it's far easier to get someone to change his mind than admit he's changing his mind. Let him think it through on his own & if he can find his own reasons to change his attitude about something, he may well do so.
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Word. When the occasion is there: challenge people, push them hard, then leave them completely alone unless they want something from you.
Most people can resolve cognitive dissonance to their own benefit and only need to be granted the space to do so without worrying about status.
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