A whistle-stop tour of the science of orgasms, from the physical phenomena to what happens deep inside your brain at the point of climax, all in cartoon form. You're welcome. [YouTube]
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"Refractory period of minutes to hours of which another orgasm cannot be achieved" Actually... that's not true. I can have multiple orgasms with ejaculations within a minute of each other. I'm not sure why, but I can't complain, haha.