Prudent ejaculation. Now there's a phrase to ponder. It would appear something of a contradiction, but scientists are discovering that both male and female animals are capable of subtle tricks in the mating game to increase the chances that only the fittest will thrive. And yes, prudent ejaculation is one such strategy. The key to this particular aspect of Darwinian evolution is sperm competition: how the sex cells of several males slug it out within the reproductive tract of the female with whom all have mated.
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More details and video can be found here. Be the first sperm to get to the egg. Be careful, the hostile environment can easily kill the sperm. Be as fast as you can and fertilize the egg. Only the best one can win and there are really many opponents.
Here we got another fantastic cute teen topless selfie pic: Definitely a girlfriends nude that got leaked by the looks of her necklace. Her boyfriend is one lucky guy. And here we got naked teen pics dressed undressed. Luckily they moved on to some tight yogapants now. What is up with those hot teens and their piercings.