Next door neighbor: The neighbor to the anus is the vagina on the 2nd floor of your anatomic house. As a result, semen NEVER stays where it is put and travels outside and crawls into the 2nd story window (the vagina) and Voila! Boy meets girl and the house undergoes an expansion project (pregnancy).
Answered 12/10/2014
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2 doctors weighed in across 2 answers
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