Apple of your eye

The phrase "Apple of your eye" is an idiom used to describe someone or something that is cherished, adored, or greatly valued. It typically refers to a person, often a loved one such as a child, spouse, or significant other, who is regarded with deep affection or regarded as the most important or beloved. The phrase originates from the idea that the eye is a precious organ, and comparing someone to the apple/pupil of the eye signifies the special place they hold in one's heart.