Many men feel that their energy is not as good as before, especially when their sexual function is slightly reduced, and they are even more worried. No way, middle-aged men, old and young, family burdens, career is mostly business backbone, work is intense, let's follow the experts to understand. How to judge sexual ability Take a look: the erectile ability of the penis The erection ability of the penis When you are interested in sex, the penis should get an erection quickly, or an erection a little later, once erect, you can have a satisfactory sex life, which indicates that there is no major problem with sexual function. If you can sometimes get an erection and sometimes you can't, and you don't erect after erection, you will get weak without ejaculation, which indicates that there is a small problem. If you have not had an erection for a long time, the problem is serious. Second look: the initiative of sexual life The initiative of sexual life is triggered by you every t...