Let them be for yourself alone, and not for strangers with you.
Solomon, having shown the great evil that there is in adultery and fornication, and all such lewd and filthy courses, here prescribes remedies against them. I. Enjoy with satisfaction the comforts of lawful marriage, which was ordained for the prevention of uncleanness, and therefore ought to be made use of in time, lest it should not prove effectual for the cure of that which it might have prevented.
Commenting on Proverbs 5:15-23
Let them be only thine own, and not strangers' with thee. Or "they shall be thine own" (u), as the Targum; meaning not the cistern, the well, or the wife, but the fountains and rivers, or the children; by a man's cleaving to his own wife, who is a chaste and virtuous woman, he is satisfied that the children he has by her are his...
only thine own--harlots' children have no known father.