Eating black beans for a month may indeed enhance the ability to sleep in the same room, because although black beans have the effect of nourishing kidney yang, its effect can not be seen in a day or two, but it needs to be used for a long time, and it is impossible to see such obvious effects in a short time without treatment, so it is recommended that friends who want to use black beans to improve the function of sleeping in the same room must be psychologically prepared. Male friends want to improve their sexual intercourse ability, so they can use some delay sprays before sexual intercourse, such as Panther delay spray, which is mainly composed of plant components such as Fructus Cnidii, Semen Allii tuberosi, cinnamon oil, ginger, tea tree oil, etc., so it can obviously improve sexual life and prolong the time of sex.