First, "Sex adult product factory", said the impact of male masturbation and sexual psychology different. Sex is sex the normal way both men and women, and masturbation is a method for personal sexual gratification taken. When a normal sex life, both men and women tend to be more relaxed, natural male ejaculation time is longer. While masturbating men just to enjoy the thrill of insufficient attention to the process, perhaps even deliberately omitted. "Sex adult product factory" plus a lot of people say when masturbating secretly carried out and rush end, over time will develop the habit of quick ejaculation.
Second, sex is the penis and vagina friction stimulation, softer lubrication. Masturbation of the penis stimulation intensity is relatively high, more intense sexual feelings, ejaculation naturally faster than normal sex life. "Sex adult product factory" foreign experts had said to a group of men with normal sexual function conducted a survey and found that the group of men in the normal sexual life, ejaculation time average of 8.25 minutes; and in the same environment, their ejaculation during masturbation time average of only 4.89 minutes. "Men should not be concerned about excessive ejaculation time, let it better."