I'm not so big on the sappy romantic stuff, but Valentine's Day is a sweet idea. Oh, sure, when I'm in a romantic relationship, I want to have the symbols of love and appreciation not just on the externally designated day, but it can be fun to have a day especially set aside for such displays. Happily, unlike some other holidays, it's never been loaded for me such that if I don't have that kind of relationship, it's melancholy or sad. Plus, I'm politically opposed to plenty of the "traditional" gifts of the day.
That said, hey, it's Valentine's Day! Want to leave me a note? Yay! (Comments screened and will be unscreened unless you ask me not to.)