How do people afford to eat 3 full meals a day?

How do people afford to eat 3 full meals a day? It’s so hard to portion so it lasts long!!

Hawaii is too expensive to eat 3 meals a day, ir eating a full meal. because your meals have to last days or else you will have to spend that same amount again immediately. So you are forced to portion.
How do people afford to eat 3 full meals a day?
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