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It is easy to confound the fruit with the tree - then a fruit bowl becomes a tree bowl.
It is easy to mistake a mole cricket for a giant, killer bug-beast from mars then your wildlife documentary becomes a schlocky b-movie.
It is easy to pretend your bath-water is the ocean, then you might be swept away to who knows where?
Perhaps size isn't everything, but it should be regarded as a vital consideration never the less.