For me it is the fact that our blood contains iron. I earlier used to believe the word stood for some 'organic element' since I couldn't accept we had metal flowing through our supposed carbon-based bodies, till I realized that is where the taste and smell of blood comes from.
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Sorry, but I honestly have no idea what you’re trying to say. If you have questions you can click on the Wikipedia link!
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It helps if you can compose a coherent sentence! :)
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That's completely wrong lol. Nowhere is there an assumption that birthdays are randomized each time, you just don't understand the math.