aversion is mainly due to the lack of motivation. How often is the problem with pleasure indicated? About 16 percent of men complain of lack of desire. In relation to the main problems such as erectile dysfunction and premature ejaculation, therefore, the lack of male pleasure tends to take a back seat. An increase in appetite disorder in men is observed with advancing age. According to a survey by R?nsberg (1998), the rate rises from four percent for the 55-year-olds to over 50 percent for the 75-year-olds. What are the causes of the listlessness .