MikeLigalig.com

Sexual arousal is a four-phase process. In the Excitement Phase, breathing deepens and erection begins. In the Plateau Stage, erection becomes full and you feel highly aroused. When arousal builds to a certain point, the next phase occurs, Orgasm with Ejaculation. Then during the Resolution Phase, breathing returns to normal and erection subsides. The key to ejaculatory control is to extend the Plateau Phase, to maintain arousal without triggering Orgasm and Ejaculation.
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It's only three-phased in Boholano parlance: huwag, uwag, buwag