The purpose of this book is to increase the wife's sexual stimulation. The husband may have gotten ED drugs or testosterone, and now there is an imbalance in the marriage. The most rapidly growing category of divorce are those marriages in which the couple is older, and the marriage has lasted years. To increase the wife's libido to match her husband, you must increase her sexual satisfaction and quantity/quality of orgasms to match yours. I dedided not to use medical terms for various reasons. I am going to teach you something about sex which you do not know and improve both of your sex lifes. Read this with your wife.