Sinclair Intimacy Institute is the world leader in relationship-oriented videos for adults with a library of over 50 titles. Working with internationally recognized sexuality educators and marriage therapists, Sinclair Institute's video products teach couples how to communicate better about sex and to build healthier, intimate relationships. Sinclair Intimacy Institute is the world leader in relationship-oriented videos for adults with a library of over 50 titles. Working with internationally recognized sexuality educators and marriage therapists, Sinclair Institute's video products teach couples how to communicate better about sex and to build healthier, intimate relationships. Their videos are high quality, non-clinical and entertaining presentations designed to provide accurate information in an appealing and empowering format. The Better Sex Video Series (As Seen on TV) has sold over 4 million copies worldwide.