Sinclair Intimacy Institute You Can Last Longer DVD
In this exciting program, Dr. Derek C. Polonsky of Harvard Medical School and AASECT-certified sex therapist Dr. Marian E. Dunn lead the viewer through a proven program for achieving better ejaculatory control. Couples explicitly demonstrate The Stop/Start and Squeeze Techniques, both proven 90% effective in helping male partners gain better ejaculatory control. 38 minutes.
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