The Tibetan Yab-Yum position is the Tantric posture par excellence. Lovers are face to face and heart to heart, able to keep eye contact, kiss and caress the kundalini lovingly up the spine and over the crown of the head. This position is the best one for extending the sexual experience because it prevents the man from thrusting so much that he ejaculates too quickly. It allows for the deep connection that makes the tantric experience magical.
Sitting up is an "awake" position, versus lying down and its association with sleep. With the man's penis in the "up" position - the whole energy is vertical. This allows the couple's spines to move and wave in a freer manner that opens up the chakra's energy channels. The breath of each partner can move in synchronicity or they can do alternate breathing for maximum pheromone transmission....