If one is thoroughly engaged in Krishna's service, this sex urge does not have much disturbance. But you have got to work outside with karmis and different types of people. Under the circumstances, if you have a good wife to help you, that will be very nice. Another difficulty is that in modern civilization everyone is independent spirited. The girls are no longer very much humble and submissive to their husbands.
Letter to Gopala Krishna, 26 November, 1969