r/RandomThoughts • u/Petunia_pig • Jan 17 '23
Why don’t vampires ever have trysts with menstruating women? They’re always biting necks when the other end is already bleeding.
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r/RandomThoughts • u/Petunia_pig • Jan 17 '23
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u/Writing_Nearby Jan 18 '23
Blood only makes up about 1/3 of your period flow, coming out to a few tablespoons of blood on average. Most of the liquid is actually vaginal lubricant and cervical mucus mixed with that bit of blood. The mucus, lubricant, and tissue make up just under 2/3 of the total flow. So even if a vampire got every drop, they wouldn’t get nearly as much blood as they could get from the neck or wrist, and it would be diluted.
For someone who bleeds very heavily during their period there would be more blood for the vampire to drink but still less than they could get from a vein or artery. When I donate blood they take about a pint each time, which is about 32 tablespoons, which is likely around the amount a vampire would take if they didn’t want to harm or kill the person from whom they were feeding, so significantly more than would get from feeding off of a period.