The first heat of marriage does not make a link, for it derives from sexual love, which is bodily and in that way affects the spirit. Whatever in the spirit is of bodily origin does not last long; but love which is of spiritual origin in the body does last. The love of the spirit, and love of spiritual origin in the body, is instilled into the souls and minds of married couples together with friendship and trust. When these two are combined with the first love of marriage, this becomes conjugial love, opening their hearts and breathing into them the sweetness of love; and it does so more and more deeply as friendship and trust attach themselves to the earliest love, and the love pervades them and they pervade the love.