i think i know what happened...

as far as I know the pot increased blood flow (a common side effect, correct me if im wrong) making it easier to bruise, add on the oral sex for two (wow) hours...

and thats what caused it

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I must not fear. Fear is the mind-killer. Fear is the little-death that brings total obliteration. I will face my fear. I will permit it to pass over me and through me. And when it has gone past I will turn the inner eye to see its path. Where the fear has gone there will be nothing. Only I will remain.