The sexual reaction cycle is really a product that describes the physiological responses that happen during sexual exercise. This model was developed by William Masters and Virginia Johnson. Based on Masters and Johnson, the human sexual response cycle is made of four phases; excitement, plateau, orgasm, and backbone, also https://adultnoveltiesroundrock19427.worldblogged.com/42169954/the-ultimate-guide-to-sex-toy-safety-tips-round-rock