Nervous system -> Sexual organ weakness
Sexual function is a complex blend of anatomic, neurological, metabolic, endocrine and psychic factors an important human activity. Sex is just not a Physical activity but also a mental relaxation and up liftman. If any one of the partners remain dissatisfied, the family life is disturbed. The male partner always worries of his ability to satisfy his female counterpart. If there is an erection, retention and early ejaculation problem then the male subject is designated as sexual dysfunction.