Masturbation is the only thing that every man is familiar with and practices diligently. After a thousand times of practice, you think you are already an expert. Then you might as well test it and see if you know the following little knowledge. 1. Masturbation does not cause premature ejaculation. At present, there is no evidence that masturbation is directly related to premature ejaculation. Proper masturbation can actually increase tolerance to sexual stimulation and become less sensitive, thus prolonging ejaculation time relatively. Some people often have fear in masturbation, fearing that others will suddenly break in and speed up ejaculation. Over time, it is easy to form the habit of ejaculating too fast. Please, after all, it is a matter Read More …