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What about blood cells? And if we exclude people with suicidal tendencies?
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You mean the things people regularly give away for free at blood drives.
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What about blood cells? And if we exclude people with suicidal tendencies?
You mean the things people regularly give away for free at blood drives.
I do understand why people value toilet paper, but there are people who don't use it by choice, which means it's only subjectively valuable.