Literature Reference: Through thick and thin, I make a vow with you. Holding your hand, I will grow old with you. Source from 'The Book of Songs: Airs of Bei'.
子: Descendants, offspring. It also refers to the favored children of heaven, those who are learned and virtuous.
偕: Together, in unity.
Meaning: To grow old together with you, symbolizing profound love and an unbreakable commitment.