Ambrose of Milan

"I will take you up and lead you in." It is right to take up the Word of God and lead him in, because he knocks at the soul, that the door may be opened to him, and, unless he finds the door opened to him, he does not enter. But if anyone opens the door, he enters and dines. The bride takes up the Word in such a way that she is taught in the taking up.

On Isaac and the Soul 8.71 ↗

Bede

And I will give you a cup of spiced wine, etc. The Church gives a cup of wine to the Lord when, having received His benefits, it returns great and fervent gratitude of love, and the wine itself is not pure, but seasoned as if with a mixture of noble spices when the same love is proven by the attestation of good works. Nor should we only engage in those works that show our love for the Creator, but also those that demonstrate our fraternal love, if we wish to offer a worthy and acceptable cup of our devotion to Him. …

Commentary on the Song of Songs ↗

Robert of Tombelaine

She leads the one she has seized into the house of her mother, because the Synagogue at the end of the world will preach Christ, in whom she believes; and when he has been received through the preaching of the Church, there he will teach the Church: because she will rejoice to be taught, when she sees the Synagogue, now made the same body, being instructed together with her. …

Commentary on the Song of Songs, Chapter 8 ↗