49. They heard conjugial love described by angels in its delights and pleasures, and that it lasts to eternity, with unending variety of delights and pleasures; and they were amazed. Consequently many of them received faith concerning the Lord and were sent among the angels of the Christian heaven. They were instructed about the Lord and in the doctrine of love and faith in Him.

The "midst" of something in the Bible represents the thing that is most central and most important to the spiritual state being described, the motivation that drives everything else. In general this will be something we love or feel, because at the core of things we are what we love; our loves define us.

(References: Apocalypse Revealed 44, 90, 268; Arcana Coelestia 2252, 2940, 10153, 10365, 10557, 10635, 10641)