varaṁ mat-sadṛśaṁ sutam
grāmyān bhogān abhuñjāthāṁ
According to the Sanskrit dictionary Amara-kośa, sex life is also called grāmya-dharma, material desire, but in spiritual life this grāmya-dharma, the material desire for sex, is not very much appreciated. If one has a tinge of attachment for the material enjoyments of eating, sleeping, mating and defending, one is not niṣkiñcana. But one really should be niṣkiñcana. Therefore, one should be free from the desire to beget a child like Kṛṣṇa by sexual enjoyment. This is indirectly hinted at in this verse.