O that you were as my brother, that nursed at the breasts of my mother! if I should find you outside, I would kiss you; yea, I would not be despised.
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Aquinas Study Bible
AD 2017
you were like a brother to me: a reference to Christ according to his human nature
nursed at my mother's breast: that is, the Virgin Mary, who is called not only the mother of Christ, but also the mother of the whole Church. This passage refers literally to Christ. (Nicholas of Lyra)
Mother. The synagogue continues to pray for Christ's coming. (Worthington)
Her request has been heard, and He has assumed our nature; so that we may receive from him all the marks of tenderness, and none but the carnal will show any signs of contempt. The spouse wishes to manifest her love without restraint, and to be delivered from the shame of sterility, (Calmet) or the Church desires to see Christ in heaven, and to praise him. (Menochius)