How men can increase penis hardness

　　male During sexual intercourse, the penis cannot erect or the erection is not strong or hard but lasts for a long time. Normal sexual intercourse cannot be completed, or the penis cannot be inserted into the vagina for sexual intercourse at all. ED, also known as "implacable sexual intercourse", is the most common men's sexual dysfunction sex disease . Occasionally, if sexual intercourse fails once or twice, it cannot be considered as suffering from ED. Frequent symptoms of weak erection are ED.

　　ED has two types: primary and secondary, and can be divided into organic and functional. The symptoms of primary erectile dysfunction are that the penis has never entered the vagina for sexual intercourse, while secondary ED has sexual intercourse before, but later developed obstacles. Organic ED is characterized by the inability of the penis to move at any time, and the inability to erect during sexual excitement (such as sleeping). Dream When the bladder is full), there is no spontaneous erection; functional ED has spontaneous erection, but the erection fails again during intercourse.