Boys and girls are intermingling freely, and if she likes, that's all right. But no future calculation. This is Kali-yuga. No future calculation, whether in future marriage is sanctified life, the man and the woman live peacefully, make spiritual culture, each one will help the other so that they will live very happily and become advancement in spiritual life and then go back to... That is the system. But nowadays, in Kali-yuga, it will be simply liking. Liking means next moment disliking. That is a fact. You see. Liking has no value. As soon as you based on liking, then you expect next moment disliking. That's all.
Lecture on Srimad-Bhagavatam 1.15.46, Los Angeles, 24 December, 1973