That is spiritual life. So Yamunacarya said, yadavadhi mama cittah krsna-padaravindayor nava-nava-dhaman rantum asit: "When I am now realizing transcendental pleasure every moment by serving Krsna's lotus feet," tadavadhi, "since then," bata nari-sangame... Sometimes we enjoy subtle pleasure, thinking of sex life. That is called nari-sangame. Nari means woman, and sanga means union. So those who are practiced, so when there is actually no union, they think of union. So Yamunacarya said that "Not actually union with woman, but if I think of union," tadavadhi bata nari-sangame smaryamane, smaryamane, "simply by thinking," bhavati mukha-vikarah, "oh, immediately I becomes disgusted: 'Ah, what is this nasty thing?'" Sustu nisthi... (spits) This is perfect. (chuckles) This is perfection. Yes. So long we'll think of, that is called subtle sex, thinking. They read the sex literature. That is subtle sex. Gross sex and subtle sex. So one has to become completely free from these lusty desires, not to become implicated which will never be satisfied, unsatiated, duspuram.
So the demons, they have taken shelter of these lusty desires, duspuram, never to be satisfied. Dambha mana-madanvitah. Why? Mohat, by illusion. And on account of this illusion, grhitva asad-grahat. Asad grahat. Asat means which will not stay, nonpermanent, for the time. Just like we have accepted this body. This is asad-graha. This body will not stay. Everyone knows, but still, I am too much attached to this body. This is called asad-graha. And so long we are attached to this nonpermanent body, there should be anxiety. Prahlada Maharaja says, asad grahat, sada samudvigna-dhiyam asad grahat. Because we have accepted this temporary body, therefore we are full of anxiety. Full of... He was asked by his father, "My dear son, what nice thing you have learned? Kindly say." Father wants to know how his son is being educated. So Prahlada Maharaja replied that "My dear asura father..." He said. Asura-varya. He did not say, "father." He said, "My dear asura, the best of the asuras," asura-varya.