The sexual reaction cycle can be a design that describes the physiological responses that manifest in the course of sexual activity. This design was developed by William Masters and Virginia Johnson. Based on Masters and Johnson, the human sexual reaction cycle contains four phases; exhilaration, plateau, orgasm, and resolution, https://sex-products-hutto49372.fare-blog.com/36211633/the-definitive-guide-to-bondage-pflugerville