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进入中年,不少男人自我感觉精力不如从前,尤其当性功能稍有减退时,更是忧心忡忡。其实,你可以通过“三看”测一下自己的性功能是否正常。一看阴茎的勃起够不够当你对性产生兴趣时阴茎迅速勃起,或稍迟片刻勃起,一旦勃起,都能进行满意的性生活,这说明性功能没有大问题。如有时能勃起有时不能勃起,勃起后坚持不到射精就疲软下来,这说明你有了点小问题,需要调整你的性节奏了。如长时间没
Into middle age, many men feel energy than before, especially when the sexual function slightly diminished, it is even more worried. In fact, you can test whether your sexual function is normal through “three see ”. A look at the penis erection enough when you are interested in sex when the penis rapid erection, or a moment later a moment of erection, once the erection, can be satisfied with the sex life, this illustrative function without major problems. If sometimes erection can not sometimes erection, erection can not keep ejaculation to weaken, it shows that you have a little problem, you need to adjust your sexual rhythm. If not for a long time