There are seven chakras, and the anahata is just in the middle; three below it, three above it. The three below are muladhar, swadhisthan and manipur. Those three belong to an extrovert personality. In the west, the majority lives through those three chakras. And now in the east also, the majority is moving towards the western attitude of life. These three chakras are very easily available. They have a certain given function; you need not work much on them.
Without them, life will become impossible. They are survival measures, so nature has not given you a choice between them. From the moment you are born, those three chakras start functioning. They go on functioning until you die. The whole life is covered by those three chakras, and the extrovert person never comes to know that there is anything higher than these. Sex, money, power, prestige, respectability, name, fame — they all belong to those three chakras.
And the centre of all those chakras is sex. People seek money in order to seek sex. People seek fame and power and prestige in order to seek sex. Sex remains the centre of the lower three chakras. Sex remains the centre of the extrovert personality. His whole mind revolves around sex.
Above the anahata, the heart, there are three chakras: visudha, the fourth centre, then ajna, between the two eyes, the third eye centre, and sahasrar, the last centre, the centre of samadhi, of ultimate unfoldment.
Between these two is the heart. Between the introvert and the extrovert, the heart functions as a door, it is a bridge. Just as sex is the centre of the extrovert mind, prayer — or call it meditation — is the centre of the introvert mind. But to call it prayer is more relevant. Between these two — when a person is just in the middle, on the fourth chakra, at the door — love happens. Love is between sex and prayer.
When sex is a little purified, it becomes love. When love is also purified, it becomes prayer. So it is the same energy, the sexual energy, which goes into higher formations. In the east people have tried to live an introvert life; they have tried to live above the heart. But both are lopsided. The western extrovert mind and the eastern introvert mind are both lopsided. To become a total man, one needs the functioning of all seven. It is not a question of choice. It is a question of being capable of living in all the centres without any conflict. There is none — we create the conflict.