Come February 14th, you won't be able to throw a candy Sweetheart without hitting a prix-fixe menu that promises the most romantic of evenings for you and your [insert: snuggle-pie, honey-bear, lover, one-night stand that won't disappear, long-time boyfriend/girlfriend, first date (props to you!), or fellow singleton who lives above you and had nothing else to do].

Public transportation is a dirty endeavour. Convenience and positive environmental impact aside, once that bell sounds and the subway doors slide shut, you and your fellow passengers are temporarily encased in a hurtling Petri dish of microbial nightmares. Not a very romantic situation, but the intrepid researchers at Craigslist have taken up the task of empirically analyzing just how romantic a subway ride can get.