by Gena Kaufman
Conde Nast Archive
Although it's not a holiday focused solely on celebrating romance (respect, Valentine's Day), you can't deny that Christmas is a pretty lovey-dovey time of year. There's a reason it's smack-dab in the middle of engagement season, and that reason is a combination of lots of sparkly mood lighting, cozy feelings of warmth, and too much egg nog.
"Baby It's Cold Outside"
Sample lyric: "I really can't stay. Baby, it's cold outside."
Romance factor: The melody sounds romantic and sexy, and the idea of lingering with the one you love