apple of one's eye

Definitions

Or: light of one's eyes , a person who is loved or cherished; a loved one; a sweetheart.
Synonyms: beloved; boyfriend; dear; dear one; darling; dearest; favorite; flame; girlfriend; heart's desire; heartthrob; honey; inamorata; inamorato; ladylove; light-of-love; light of one's life; light of one's eyes; love of one's life; loved one; lovee; lover; object of one's affection; object of all of one's affection; one and only; one's everything; one's own; one's onliest, one's weekness; onliest one; pet; precious; pulse accelerator; pulse upperer; soft spot; steady (date); sweetheart; sweetie; sweetie pie; truelove (true love); turtledove.

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(Expression) Someone that one treasures or likes very much.