Arousal doesnt mean climax. Also emotion doesnt have to be one of love, satisfaction, bonding etc. It can be a self depricating feeling or need. Emotion is emotion, and nothing can be done without it. Without emotion there is no drive. Even if you are seeking sex for pleasure, there is an emotional attachment to it whether it is positive or negative.

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"Diplomacy is the art of saying 'Nice doggie' until you can find a rock - Will Rogers"