The Science Behind Dicks n Nutting (aka Sperm, Balls, Erections etc)
The Hook Up
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Understanding Pre-Ejaculate: Myths and Facts About Fertility
This chapter explores the role of pre-ejaculate as a lubricant and its function in flushing the urethra. It also discusses the presence of sperm in pre-cum and its implications for fertility, emphasizing individual biological variations among men.
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