mastermagnusmacbeth: abadgentleman: Visit: http://abadgentleman.tumblr.com Pleasure and pain produce the same endorphin. The only difference is that there is a threshold for pain. Exceed the threshold, and the body quits producing the endorphin.

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mastermagnusmacbeth: abadgentleman: Visit: http://abadgentleman.tumblr.com Pleasure and pain produce the same endorphin. The only difference is that there is a threshold for pain. Exceed the threshold, and the body quits producing the endorphin.

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