It is related to erectile dysfunction. Erectile dysfunction hamper the shape size of penis required for intercourse. Shape size of penis can’t enlarged. The guarantee given by some clinics and by some penis enlargement machine makers is completely false. They just cheat, the patients in the name of penis enlargement. But using our medicine properly the shape size of penis during hardness will increase as it was in early maturity age of a person. The 3 inches size of penis after erection is the least or minimum size to satisfy a female partner. The length of vagina doesn’t matter of a female partner while the hardness and longevity of 100% erected penis with special sex technique is more essential for sexual satisfaction.