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从性医学的角度来说,男女双方性兴奋的唤起和维持时间存在着差别:男子的性唤起快,维持时间短,所以男子性爱从一开始是以性交为目的;而女子性兴奋唤起慢,但维持的时间长,所以她们重视性爱的过程。男女间还存在另一个性生理差异,那就是女子从25岁到50岁这个年龄段其性能力和性欲望呈上升趋势,相比之下同年龄段的男子性能力呈下降趋势。这就使得男子对以性交为目的的性爱感到力不从心。很显然,解决这一问题的唯一有效途径就是增加夫妻间的性嬉
From a sexual medicine point of view, the sexual excitement between men and women arouse and maintain time there is a difference: men’s sexual arousal faster, maintaining a short time, so the male sex from the very beginning is the purpose of intercourse; and sexual arousal of women evokes slow, But the maintenance of a long time, so they attach importance to the process of sex. There is another sexual difference between men and women, that is, women’s sexual ability and sexual desire increased from 25 to 50 years of age, compared with the same age men’s sexual capacity showed a downward trend. This makes men feel powerless for the purpose of sexual intercourse. Obviously, the only effective way to solve this problem is to increase sexual intercourse between husband and wife