As soon as he had finished speaking to Saul, the soul of Jonathan was knit to the soul of David, and Jonathan loved him as his own soul.
David was anointed to the crown to take it out of Saul's hand, and over Jonathan's head, and yet here we find, I. That Saul, who was now in possession of the crown, reposed a confidence in him, God so ordering it, that he might by his preferment at court be prepared for future service.
Commenting on 1 Samuel 18:1-5
And it came to pass, when he had made an end of speaking unto Saul,.... In answer to his questions about his descent and family, and doubtless more things were talked of than are recorded: that the soul of Jonathan was knit with the soul of David: he won his heart, made a conquest of his affections, these went out towards him, and cleaved unto...
And it came to pass, when he had made an end of speaking unto Saul, that the soul of Jonathan was knit with the soul of David, and Jonathan loved him as his own soul. (a) His affection was fully bent toward him.