Jonathan Edwards explains how romantic love helps us understand Jesus' feelings towards the church (Miscellanies #189, spacing added):
We see how great love the human nature is capable of, not only to God but fellow creatures. How greatly are we inclined to the other sex! Nor doth an exalted and fervent love to God hinder this, but only refines and purifies it.
God has created the human nature to love fellow creatures, which he wisely has principally turned to the other sex; and the more exalted the nature is, the greater love of that kind that is laudable is it susceptive of; and the purer and better natured, the more is it inclined to it.
Christ has an human nature as well as we, and ha…