SB 3.31.42 Purport It is a question of attachment. A man becomes attached to a woman because of her service, her beauty and many other assets, and similarly a woman becomes attached to a man for his giving her a nice place to live, ornaments, dress and children. It is a question of attachment for one another. As long as either is attached to the other for such material enjoyment, the woman is dangerous for the man, and the man is also dangerous for the woman. But if the attachment is transferred to Kṛṣṇa, both of them become Kṛṣṇa conscious, and then marriage is very nice. Śrīla Rūpa Gosvāmī therefore recommends:
yuktaṁ vairāgyam ucyate
Man and woman should live together as householders in relationship with Kṛṣṇa, only for the purpose of discharging duties in the service of Kṛṣṇa. Engage the children, engage the wife, and engage the husband, all in Kṛṣṇa conscious duties, and then all these bodily or material attachments will disappear. Since the medium is Kṛṣṇa, the consciousness is pure and there is no possibility of degradation at any time.
The relationship between man and woman is very complicated, but the substance is that one who aspires to ascend to the transcendental stage of spiritual realization should be very careful in accepting the association of a woman. In the stage of Kṛṣṇa consciousness, however, such restriction of association may be slackened because if a man's and woman's attachment is not to each other but to Kṛṣṇa, then both of them are equally eligible to get out of the material entanglement and reach the abode of Kṛṣṇa. SB 3.31.41