تعریف و معنای "[be] meat and drink to {sb}"

What is the origin of the idiom "be meat and drink to one" and when to use it?

The origin of this idiom dates back to the 16th century, deriving from the literal meaning of "meat and drink" as essential sustenance for human survival. Over time, it evolved into a figurative expression to describe an activity or situation that brings great joy, satisfaction, or fulfillment to someone. When something is described as "meat and drink to one," it means that the activity, hobby, or interest provides immense joy, satisfaction, or a sense of fulfillment to that person. It implies that engaging in that particular activity is like consuming essential nourishment for their well-being and happiness.