A Kissing Technique You Must Learn…Not! [VIDEO]

An old YouTube video is suddenly popping up everywhere. It's a man and a woman doing something they call the "Harmonic Kiss." And it's Ridonculous.
The weirdo woman starts by holding a single note with her voice. Then the guy opens his mouth, leans in, and lets the sound echo in his mouth. When they're done I am pretty sure they split another quarter bag of Magic Mushrooms and watch Willy Wonka for the 100th time. Check This Out:

I wonder why the Harmonic Kiss never caught on?