Before Emily Post’s Etiquette and Amy Vanderbilt’s Everyday Etiquette, people went crazy for The Eternal Guide to Vampire Princess Etiquette. Seriously, guys, this is important stuff. Can you imagine drinking blood from the wrong side of someone’s neck? Unforgivable vampire princess faux pas. And forgetting to retract your fangs in the presence of your Elders? Forgeddaboutit. Jessica, of Jessica Rules the Dark Side, which you can start reading here on Figment, has to worry about all of this and more, what with being a newlywed and a newlyvamp whose husband is being accused of vampicide! Luckily, Twitter was able to help us out with some vampire etiquette tips. Have handy tips to share? Leave them in the comments!