Stopping halfway through sex once in a while may not be a big deal, but if it happens often, it may be harmful to your body. For men, if they suddenly interrupt when they are about to ejaculate and do not ejaculate, the speed of blood flow recovery in the engorged sexual organs (compared to after ejaculation) will be greatly slowed down, and its prolonged congestion will likely lead to aseptic vesiculitis, prostatitis, epididymitis, etc. If you often interrupt in the middle, you may also cause neurasthenia and even sexual dysfunction such as premature ejaculation and impotence. For women, often stop when they are about to climax, will lead to women long-term sexual satisfaction, do not experience sexual pleasure, over time may appear sexual indifference, or pressure depression, and then affect the feelings between the partners. Therefore, it is best not to “do half do not do”, before sex must be fully prepared to do safety measures to normal sex life.