Every living being longs always to be happy untainted by sorrow; and everyone has the greatest love for himself, which is solely due to the fact that happiness is his real nature. Hence, in order to realize that inherent and untainted happiness, which indeed he daily experiences when the mind is subdued in deep sleep, it is essential that he should know himself. For obtaining such knowledge the enquiry, ‘Who am I?’ in quest of the Self is the means par excellence.

Today people generally live their lives asleep, are
unconscious of themselves, and accordingly behave like machines, subject to
outside causes and pressures. The people of the past generation lived in more
suitable outer conditions and at higher inner levels than the people today.

Yoga has proved it's efficacy in almost all aspects of health. Sexual health also happens to be an essential aspect of being healthy. And Yoga has not bared sex from its holistic health planning.
In fact yoga practices have laid great emphasis on healthy sexual life. A good number of yoga asana and exercises are specifically meant to enhance your sexual energy.

I am regularly doing agnihotra. Agnihotra appealed to me as an ancient practice of synchronizing circadian rhythms of humans, plants to planetary rhythms to improve health of living things. . While performing Agnihotra the body is stimulated with light, heat, chemical [smoke] and sound [the chanting] energies. There are people advocating agnihotra but none of them studied it as a method of fine tuning of the synchronization of biorhythms with planetary rhythms a possibility which can't be ruled out.