Dr. Eric Sprankle 

@drsprankle
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Professor of clinical psychology at Minnesota State University, Mankato. Author of “DIY: The Wonderfully Weird History and Science of Masturbation.”
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Scarlet Letters with Dr. Sprankle
Scarlet Letters with Dr. Sprankle
By Dr. Eric Sprankle
Musings about sexual behavior, writing, and writing about sexual behavior.