The birth of nanke (men's medicine) -- Sexual repression -- One thousand bodies of impotence -- Impotence, family, and women -- The loss of jing (seminal essence) and the revival of yangsheng (the cultivation of life) -- Bushen (nourishing the kidney), shugan (smoothing out the liver) or taking the great brother (Viagra) -- Potency is fullness of life -- Conclusion: If shen (the kidney) is strong, life is good.