Man old and feeble sign

Man old and feeble sign
And genitals old and feeble, and physiology and the intersection of reproduction and ability and the intersection of sex and function that psychological reason cause fail in itself with the years, the calling is old and feeble. Men are old and feeble to mainly show: (1)Change of internal sex hormone. Testis ketone level has already been reduced to the normal level in the blood after men are generally 55 years old. But it is slow to drop the intensity, it is secreted that there is certain testis ketone by about 90 years old. (2)Shinking of the sexual organ. Shown as the testis volume shrinks, the sperm produces and reduces, the fibrous tissue of penis increases, vascular sclerosis. The impotence part of the reason in the old age is because the intravenous regression of penis changes to cause. (3)Change of sexual activity. The man's sexual desire and sex function can be maintained until the old age. The man 60-80 years old can still carry on sexual intercourse normally. There is some people's impotence that is caused by psychological factor. The sexual behavior of old men has obvious changes, the showing as delay of response too, the ability of erecting drop, not when the penis erect the front-seat liquid with ejaculating, the duration of orgasm is short, ejaculate strongly and shrink 1-2 times alone, the penis in several seconds is soft after ejaculating, one of not answering while erecting is lengthened, each sexual intercourse may not be certain to ejaculate, even in having sexual intercourse ejaculating, the seminal fluid amount reduces to some extent too. (4)Change that the sexual love required. As old and feeble, reflect the requirement of liking to weaken simply by sexual intercourse, caressing, embracing etc. occupying the important status frequently in the old human nature love each other among couple.

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