Jesus was writing about humans’ natural love; The Gospel of God’s Love, pg 142.
“The love that may be called the natural love, which will last forever (providing the souls seek and obtain the divine love) is the love that God implanted in two souls that he designed to become one in spirit life. This love is really not two loves, but one and the same love manifested in the two opposite genders, and which is only a complete one when these two apparently independent souls come together in perfect unity. This is what is commonly called the love of soulmates, and which is that essence of spiritual love which makes the happiness of the two spirits of mortals seemingly complete. Yet this love is not of a divine nature, but merely the highest type of natural love.
“Love, I know it is said, is the fulfilling of the law, but no human can thoroughly understand this until they know what love is. I do not mean that in order to fulfill the law humans must have the divine love of the Father, because there are laws that govern the divine existence, and laws that govern the human spiritual existence; and the divine love is the fulfillment of the former laws, and the natural love is the fulfillment of the latter laws.
“I will not say that humans should not cultivate this natural love to the greatest degree possible, for they should. And if that should be the only kind of love that they may have, either on earth or in the spirit world, the more of it they may possess, the happier they will be, and the greater will be the happiness of their fellow human beings and fellow spirits. So when I said on earth, that mortals should love their God and their fellows as themselves, I meant that they should do so with all the possibilities of whatever love they might possess.
“Yet, if humans would only learn (as they can) that there is no necessity for them to have only the natural love! They can all seek the greater love, and obtain the correspondingly greater happiness – and immortality. Many do not realize this, though, and seem to be satisfied with this natural love, and the pleasures that ensue from its possession. Yet, I want to impress upon them the greater desirability of having the higher divine love in their souls.” Amen