Song of Songs 5:8
I charge you, O daughters of Jerusalem, if ye find my beloved, that ye tell him, that I am sick of love.
Cross-reference
Song 2:7 is the same adjuration formula — here the Shulammite charges daughters not to awaken love, while in 5:8 she asks them to find her beloved. Same opening.
Song 8:4 repeats the adjuration not to stir up love — contrasting with the urgent plea here to find her beloved. Identical opening formula.
Song of Solomon 1:7 shows the woman directly seeking her beloved, reinforcing her lovesick longing from a different angle.
Song of Solomon 2:5 uses the exact same phrase 'sick with love', showing this is a recurring expression of the woman's longing.
Song of Solomon 3:1 depicts the woman searching for her beloved at night, continuing the theme of seeking and longing.
Song of Solomon 8:6 declares love as strong as death, deepening the understanding of the overwhelming love that makes her sick.
Luke 23:28 has Jesus addressing 'daughters of Jerusalem' – a rare NT use of that phrase, echoing the Song's desperate plea.