The Male Deer Exercise is the best known male exercise from Taoist Chi Kung. It ends premature ejaculation and erectile dysfunction and promotes male full-body orgasm. Reinvigorating sexual energy means regaining the vitality of youth and giving a holistic benefit to your entire system. The Male Deer Exercise, done daily, will provide great benefits to men. They will reinvigorate their sexual energy, stimulate sperm production, exercise the prostate (and promote good prostate health), and reignite their libido.