I mean, by that, that even with tablets of stone, loads of advice, the occasional stroke of a clue bat and even direct, firsthand, experience, that still some of us manage to fall in love with a picture or select somebody who is writing to a load of other guys, such that mistakes in identification and memory get made.
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I didn't get about "tablets of stone" and "stroke of a clue bat" in this context. Is this kind of idioms?