Ejaculation can usually be controlled by speeding up or delaying the time of ejaculation through the rhythm of sex. Ejaculation is usually caused by stimulation of the penis, and men can control the timing of ejaculation by adjusting the number and frequency of strokes during sex. If you want to ejaculate quickly, you can speed up the number of strokes and frequency, and if you want to delay ejaculation, you need to slow down the number of strokes and frequency, and reduce the stimulation, so as to achieve the effect of controlling ejaculation. Although ejaculation can be controlled, but also can not delay the ejaculation time for a long time, in order to avoid discomfort symptoms, if the phenomenon of ejaculation time is too fast, may be a premature ejaculation, you can also choose to go to the hospital, clear the cause of the timely treatment.