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The Player & the Slut Joke

A group of friends were sitting in a bar and one of the women started complaining:

"You know, it's really not fair. Why is it that guys sleeping around get called players and women get called sluts?"

To which one of her male friends replied:

"Have you not heard about the key and the lock theory?

To which she goes:

"Uhhhhh, no... I haven't. Like .... WTF is that?"

To which he replies:

"Well, a key that can open many locks is called a master key. A lock that can be opened by many keys is called a pretty shitty lock."

___________________________

Now, not to ruin the joke with some science, but there is an actual biological basis for this distinction. In terms of a resource analysis, the female egg is far more valuable than the male sperm. It is far more rare. And once a woman's egg is fertilized, all of her "reproductive resources" are unavailable for a good 9+ months. So there has been a great deal of evolutionary pressure for men to ensure that the "lock" be secure, in order to ensure that it was his "key" that ended up getting in and producing an offspring.

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