One of the best ways to test the quality of olive oil is to swallow a spoonful first thing in the morning, before you've had anything to drink.
If the oil slightly burns the back of the tongue, it's rich in polyphenols. This is good oil.
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Oh, to have a time machine,
so that I might pass them
to my younger non-self!
Hack thyself, young man, hack!
Hack thine health, thine wealth, hack!