今年刚满40岁的张光生,近来发现自己与从前不太一样了,尽管在单位里已经到了“呼风唤雨”的程度、但是一面对自己的妻子就觉得心虚。每每在需要自己表现的时候张先生却“力不从心”,往往需要妻子用手刺激老半天才渐渐进入状态,而且射精还要费九牛二虎之力。有时尽管尽力了,但还是难以将精液排出来。 这种“马拉松”似的性生活让他觉得很难过。最初,张先生买了几片万艾可(伟哥),但效果也不明显。张先生实在不堪忍受妻子那种无奈和失望的眼 Zhang Guangsheng, who just turned 40 this year, recently found herself not the same as before. Although he has reached the level of “do anything they want” in his unit, he feels guilty about his wife. Often in need of their own performance, Mr. Zhang is “powerless”, often require his wife to use hand to stimulate the old half a day before gradually entering the state, and ejaculation also cost tremendous expense. Sometimes, despite its best efforts, it is difficult to discharge semen. This “marathon” -like sex makes him feel sad. Initially, Mr. Zhang bought a few pieces of Viagra (Viagra), but the effect is not obvious. Mr. Zhang really unbearable wife that helpless and disappointed eyes