Whether you're alone or not this Valentine's Day, you can still enjoy some gruesome facts and stories about the Valentine's Day Massacre, Lupercalia, and the Loterie D'amor.

Sources:

https://www.atlasobscura.com/articles/curious-fact-of-the-week-saint-valentine

https://www.huffingtonpost.com/viator/10-valentines-day-traditi_b_9190888.html

https://en.wikipedia.org/wiki/Lupercalia

http://www.history.com/topics/saint-valentines-day-massacre

http://www.newprophecy.net/valentine.htm

http://www.delish.com/food/news/a39015/facts-about-chocolate/