Blood flow: One would be tempted to say friction, but heat generated by that is actually minimal and readily conducted away by blood flow. I suspect the sensation of warmth is simply related to increased blood flow and irritation of superficial nerve endings.
Answered 1/10/2015
4.6k views
Sex: I would wonder if your lube is irritating and if you need to change to a different product. Or if there is a semen allergy. I assume there is no latex involved so won't question a latex allergy.
Answered 4/9/2016
4.6k views
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A doctor has provided 1 answer
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