Sinclair Institute You Can Last Longer

Dr. Derek C. Polonsky of Harvard Medical School and certified sex therapist Marian E. Dunn lead you through this unique video guide for achieving better ejaculatory control. As you watch live couples demonstrate in explicit detail, you'll learn the step-by-step self-help techniques prescribed by sex therapists in private practice. The Stop-Start Technique and the Squeeze Technique shown here have been proven to be 90% effective in gaining better ejaculatory control.