scienceofsin scienceofsin

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Alex and Xander  Alex & Xander explain why you're so good at being bad.

Flight number home gives us a sense of security #sf #sanfrancisco #ileftmyheartinsanfrancisco

Look closely at Sister Roma

Taking the day off after our pitch. Vid up tomorrow. Till then ... 😘 #asexplanation #amdocs2015

Ran out of time for today's video 😁😥Apologies!! Will be up tomorrow answering your questions! Stay tuned! #scienceofsin #sorry

Male foreplay seminar. Do you know your erogenous zones? #asexplanation

Just finished editing latest video - big announcement coming ... #asexplanation

We've been gone for too long. Big announcement coming soon. Stay tuned ... #asexplanation

Sociology is hard for us. Do we interface with notions of normative behavior mediated by notions of self control? Do we??

Weekend reading. #SFPL has a pretty great love and sex section. Vids on history of sex and marriage next week ...

Leaving #lasvegas. Sadly, no #gay news to report.

The only pic I can post. Doesn't do night justice. I leave w/ a new appreciation of #BBW

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