Highly Profitable Viagra

«viagra»

After taking Viagra orally, imagine the comfort of expansion of those micro blood vessels.  This patent product is endless.

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1999/10/22 US6333330: Viagra leads men to stay hard on their soft tubes; a little straw transforms into a third leg.

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2002/08/27 US6743799: Viagra enables women to have a 7-stars palace in their bodies which provides a stable and secure place for the embryo to live.
2008/02/24 Doctor David from the UK said that Viagra causes sperms to become stronger, but it would not apply any violence on the eggs. 

According to that study, if a man often takes Viagra, it’ll decrease the possibility for a woman to get pregnant.  Can it be patentable?

Following the experiment of preventing insect disaster, it is good for extinguishing human naturally, and not destroying the ecosystem.