As for the Koto which I ejaculate it and treat by the sex, seeing from a medical standpoint, the drug in the brain called 'Endorufin' is secreted. This Endorufin provides painkilling of 6.5 times of morphine, and be said that I am effective in the cancellation of the mental stress and an increase of the health. In late years a hospital adopting sex as a medical act from such a findings attracts attention! At this sex clinic, look at the state of such sex nursing.
