In an effort to know where they stand, people sometimes want to know what’s normal when it comes to sexual behavior. There have been several attempts to define what’s normal sexually. In 1966, Masters & Johnson published their sexual response cycle ,which is still commonly taught. They divided sex into four phases: excitement, plateau, orgasm, and resolution. In a linear way, these phases happen one after the other. Ignoring desire, requiring an orgasm, and not taking relationship factors, cultural attitudes, or any other external contributors into consideration, this model doesn’t fit. After several other cycles were proposed, Basson’s Non-Linear Model of sexual response was published in 2000 and takes into consideration all aspects of sexuality.

Read the full article here: What We Can Learn From Sexual Response Cycles