Sexual: Arrousal and twitching, blushing can be mediated by the stimulation of the sympathetic nevous system and stress hormones. Yes it's normal. It can also be self defeating and a relationship barrier. Sex is part of the journey, but is the only goal for some and that creates internal conflict.
Answered 2/26/2013
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A doctor has provided 1 answer
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A doctor has provided 1 answer
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