Like "IRC chat" or "TCP/IP protocol", the phrase "reproductive organ" is redundant. All organs are reproductive organs. Where do a bird's wings come from? An Evolution-of-Birds Fairy who thinks that flying is really neat? The bird's wings are there because they contributed to the bird's ancestors' reproduction. Likewise the bird's heart, lungs, and genitals. At most we might find it worthwhile to distinguish between directly reproductive organs and indirectly reproductive organs.

This observation holds true also of the brain, the most complex organ system known to biology. Some brain organs are directly reproductive, like lust; others are indirectly reproductive, like anger.

Where does the human emotion of anger come from? An Evolution-of-Humans Fairy who thought that anger was a worthwhile feature? The neural circuitry of anger is a reproductive organ as surely as your liver. Anger exists in Homo sapiens because angry ancestors had more kids. There's no other way it could have gotten there.

This historical fact about the origin of anger confuses all too many people. They say, "Wait, are you saying that when I'm angry, I'm subconsciously trying to have children? That's not what I'm thinking after someone punches me in the nose."

No. No. No. NO!

Individual organisms are best thought of as adaptation-executers, not fitness-maximizers. The cause of an adaptation, the shape of an adaptation, and the consequence of an adaptation, are all separate things. If you built a toaster, you wouldn't expect the toaster to reshape itself when you tried to cram in a whole loaf of bread; yes, you intended it to make toast, but that intention is a fact about you, not a fact about the toaster. The toaster has no sense of its own purpose.

But a toaster is not an intention-bearing object. It is not a mind at all, so we are not tempted to attribute goals to it. If we see the toaster as purposed, we don't think the toaster knows it, because we don't think the toaster knows anything.

It's like the old test of being asked to say the color of the letters in "blue". It takes longer for subjects to name this color, because of the need to untangle the meaning of the letters and the color of the letters. You wouldn't have similar trouble naming the color of the letters in "wind".

But a human brain, in addition to being an artifact historically produced by evolution, is also a mind capable of bear

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