Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Cosmic Reunion Through Sacred Sex

Liz Estrata elevates sex to a healing art form in her breakthrough guide to sacred sexuality, Peace Between the Sheets. Updating the ancient teachings of Tantra for an evolving humanity, she illustrates in clear language how the heart is the ultimate erogenous zone-and how conventional orgasm destroys relationships. Her radical approach turns everything we believe about conventional sex on its ear.Dismantling decades of emphasis on the "Big O" as the goal of sexual intimacy, Estrata introduces the "Ecstatic Exchanges," a series of practical yet playful activities designed to help couples cultivate deep love and caring for one another, through sensual and sexual sharing. Her extensive personal and scientific research, as well as heartwarming stories from grateful couples around the globe, demonstrate how the Exchanges are the key to creating relationships that last.