What would you do

well me and my wife hardley make love .its becomeing a sexless marriage.there are times i really want it.but she says she,s sick.then when we do she makes all these unsinseitive remarks that i loose my erection,and interest.some times i thank she fooling around,because if your not haveing sex a women should be tight.not loose.so how to fix this problem.she says it,s her meds.well i do add i have some health problems my self.so how wouild you handle this.i still want it