If men really seven times a night, then, "Human lubricant manufacturers" lubricating fluid to each other may play an important role in nourishing the other hand, for women may be a very important protection tool, "Human lubricant manufacturers", said too many times a night of sex, in relation to the selection of an appropriate lubricant to prevent excessive friction and Popi. Sex too many times, so the lubricant may important, in the choice, to choose the part of high security and low sensitivity of the lubricating fluid, in general, 50 years after menopause, sexual life too tight, vagina inadequate secretion, "Human lubricant manufacturers" will recommend the use of such a lubricating fluid.