Intercourse is divided by, among others, Masters and Johnson into four phases: the arousal phase, the plateau phase, the orgasm phase and the relaxation phase.
[M]Intercourse[/M] is divided by, among others, Masters and Johnson into four [M]phases[/M]: the arousal phase, the plateau phase, the orgasm phase and [M]the relaxation phase[/M].[SEP][M]Intercourse[/M] is divided by, among others, Masters and Johnson into four [M]phases[/M]: the arousal phase, the plateau phase, [M]the orgasm phase[/M] and the relaxation phase.[SEP][M]Intercourse[/M] is divided by, among others, Masters and Johnson into four [M]phases[/M]: the arousal phase, [M]the plateau phase[/M], the orgasm phase and the relaxation phase.[SEP][M]Intercourse[/M] is divided by, among others, Masters and Johnson into four [M]phases[/M]: [M]the arousal phase[/M], the plateau phase, the orgasm phase and the relaxation phase.[SEP][M]Intercourse is divided by[/M], among others, Masters and [M]Johnson into four phases[/M]: the arousal phase, the plateau phase, the orgasm phase and the relaxation phase.[SEP][M]Intercourse is divided by[/M], among others, [M]Masters[/M] and Johnson [M]into four phases[/M]: the arousal phase, the plateau phase, the orgasm phase and the relaxation phase.[SEP][M]Intercourse is divided[/M] by, among others, Masters and Johnson [M]into four phases[/M]: the arousal phase, the plateau phase, the orgasm phase and the relaxation phase.