I don't fully understand the functionality of nails and hair. Hair I understand is supposed to keep us warm, but why does it continue to grow? Why can't we just have fur on our heads? Are we supposed to use it as a scarf of sorts, or string it into clothes?
And nails I find somewhat useful for opening beer cans, and picking food out of my teeth when no one's looking, but I tend to find them more cumbersome than anything. I also don't understand why they continue to grow.
Toenails are the worst. There is literally no situation I've ever been in where I've thought, "thank god I had toenails in that situation. That was an evolutionary win!"
Anyway, I've obviously run out of things to write about and am very tired.
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