In the Mediterranean, olive oil is not an ingredient. It is the thing everything else on the table is arranged around — poured before the meal starts, poured again halfway through, and left out afterwards in case anyone wants more bread.
This is difficult to explain to a kitchen where oil lives in a cupboard. There, it is a cooking medium: something you use a tablespoon of, to stop things sticking. Here it is closer to a seasoning, a sauce, and a gesture at the same time. Nobody measures it.

The rhythm it belongs to
Life on an island like Samos organises itself around heat and light rather than around the clock. The groves are worked early, while the air is still cool enough to make it pleasant. The market is finished by noon. Lunch takes as long as it takes.
Olive oil runs through all of it. On the bread that arrives before anyone has decided what they are eating. Over vegetables that were picked that morning and need almost nothing done to them. Over fish, over beans, over a plate of tomatoes and salt that would be unremarkable anywhere else and is somehow the best thing on the table.
It is not used sparingly. It is trusted.
Olive oil is not an addition to the meal. It is the essence of it.
What the tradition understood
Long before anyone was measuring polyphenols, Mediterranean cooking had already arrived at a plate built around vegetables, legumes, fish and olive oil, with meat as an occasional guest. That pattern is now among the most studied in nutrition science, and it has held up unusually well.
What is worth noticing is that nobody designed it. It emerged from what grew, what kept, and what people actually wanted to eat twice a day for a lifetime — which is a more demanding test than any diet has ever had to pass.
From grove to table
Everything begins in the groves on Samos. The olives are harvested and pressed with one aim, which is to interfere as little as possible with what the fruit already is.
That sounds like modesty and is actually the difficult part. Heat, delay and rough handling all cost something — freshness first, and the peppery bitterness that tells you an oil is young. An oil that tastes of the place it came from has usually been left alone by somebody who knew when to stop.

A way of living
None of this is complicated. Bread, tomatoes still warm from outside, salt, and enough good oil that it runs off the plate. That is a meal. It has been a meal for a very long time.
The Mediterranean did not arrive at this by being disciplined. It arrived at it by being unwilling to eat badly, every day, for several thousand years. Which is a kind of discipline, but a much more enjoyable one.