13 “My soul has been glued on behind You”. See ye one longing, see ye one thirsting, see ye how he cleaves to God. Let there spring up in you this affection. If already it is sprouting, let it be rained upon and grow: let it come to such strength, that you also may say from the whole heart, “My soul has been glued on behind You.” Where is that same glue? The glue itself is love. Have thou love, wherewith as with glue your soul may be glued on behind God. Not with God, but behind God; that He may go before, you may follow.
For he that shall have willed to go before God, by his own counsel would live, and will not follow the commandments of God. Because of this even Peter was rebuked, when he willed to give counsel to Christ, who was going to suffer for us....“Far be it from You, O Lord, be merciful to Yourself.” And the Lord, “Go back behind Me, Satan: for you savour not the things which are of God, but the things which are of men.” Wherefore, the things which are of men? Because to go before Me you desire, go back behind Me, in order that you may follow me: so that now following Christ he might say, “My soul has been glued on behind You.”
With reason he adds, “Me Your right hand has taken up.” This Christ has said in us: that is in the Man which He was bearing for us, which He was offering for us, He has said this. The Church also said this in Christ, she says it in her Head: for she too has suffered here great persecutions, and by her individual members even now she suffers....
Source: The Enarrations, or Expositions, on the Psalms (New Advent)