It doesn't

It keeps your prostate healthy

edit: can't watch the video...my internets too slow this afternoon, I'm guessing it's a comedy video though
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"The man's right hand is clutched into a fist because masturbation has damaged the part of his arm opens his hand"

And so it begins... a nation of fists and left hand penis grabbing
Quote by Nilpferdkoenig

It's a joke right?

I masturbate with left even though I'm a righty, so this is all BS

Hey, glad to hear that I am not the only one that uses my left even though I am right handed.

And yeah this sound like complete shit.
lefty fappers ftw. haha. damn you, internet porn.
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