"When more than one man has sex with a woman in a short period of time, she has within her sperm from different men. The goal of the sperm is to fertilize the egg. This is the reason for their existence. But when sperm from different partners are all placed in the same vagina, the sperm from each man groups together and does battle against the other groups of sperm. The winner gets to fertilize the egg."
Article Source: http://EzineArticles.com/2793722
Now which sperm is going to win? The one that gets reinforcements nightly or the greatly out numbered sperm of the rapist?
Please enough pseudo science. You do realize that what you posted is part of a scam advertisement?
Your article culminates with: If you want to learn more about creating an army of sperm that can beat out your competition, read IRON MAN PENIS - THE RUSSIAN SYSTEM and begin to Enlarge Your Life. Link removed by me, Melas.
For something a bit more scientific, try this one:
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1690463/pdf/10643078.pdf