Śrīmad-Bhāgavatam 2.4.2
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Los Angeles, June 26, 197
So this virūḍhāṁ mamatām. Mamatā means "It is mine." That is called mamatā. Mamatā. Mama means "mine." The consciousness of "mine" and "I," this is called mamatā. "I am this body, and in relationship with this body, everything is mine. My wife, my children, my home, my bank balance, my society, my community, my nation, my country, my." This is called mamatā. So how this mamatā, or the consciousness of "my," grows? There is a machine, manipulated by māyā, illusory energy. The beginning. What is that? Attraction. A man is attracted by woman, and the woman is attracted by man. This is the basic principle. Here, in this material world, there is no attraction for God, but there is attraction. That attraction is, on the whole, sex attraction. That's all. The whole world, not only human society, animal society, bird society, beast society, any society, any living being, the attraction is sex. Puṁsaḥ striyā mithunī-bhāvam etam [SB 5.5.8]. The attraction here, the center of attraction, is sex. So, boys and girls or any, in younger age there is that sex impulse increase and want mating.
A female wants male, a male wants female. This is the attraction. This is the basic principle of binding the conditioned soul in this miserable life of repeated birth and death. This attraction. Therefore Vedic civilization is based on how to get out of this attraction. The varṇāśrama-dharma... There is attraction, you cannot avoid it. To best, to make the best use of a bad bargain. Therefore, from the very beginning, a child is trained how to become brahmacārī. Brahmacārī. No sex life. Up to twenty-five years. Throughout the whole life, but at least for twenty-five years. That is called brahmacārī-āśrama. But if one is still persistent for sex life after being trained for twenty-five years, he is allowed to marry. That is called gṛhastha-āśrama. And because he has been trained up to be detached from sex life, so, for some time he enjoys, then he gives it up. Just like Mahārāja Parīkṣit. Jahau. Virūḍhāṁ mamatāṁ jahau. There was training; therefore Parīkṣit Mahārāja could give up.