Homosexuality and natural selection

[hmkpoker]

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Everyone here knows the intense physical pleasure of a good bowel movement.

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Ummmm, isn't the pleasure there derived from the relief of releasing something OUT of your body?

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From a strictly physical perspective, the nerve endings in the rectum can't tell the difference. They're responding to non-direction-specific pressure stimulation (even though other parts of the body know what's going on).

[ALawPoker]

This is the thread that keeps on giving.