Healthy Sex Support Group
This community is dedicated to an open discussion about healthy sex and sharing thoughts and feelings about sexuality and improving one's sex life. Most active adults desire to have an active and fulfilling sex life, both for themselves and also their partner. Here we discuss common sexual challenges faced by both men and women.
http://www.mayoclinic.com/health/kegel-exercises/WO00119
If this works there are benefits for both of you, you will be able to cum and your wife's orgasms will be more intense.
I am also able to go long periods before I cum and some of my girls in past would start out tight but after a couple hours...they would get loose...so we experimented with positions that closed them up more.