They'd have cheesy phrases on them, and we'd stick candy on them, in attempts to woo the ones we liked. Nowadays, it's much more complex. Guys are supposed to give girls presents, but not any present will do. Giving girls chocolate is traditional, but we also get yelled at for our insensitivity to your dietary struggles. Lingerie is more of a gift for guys than girls.
Flowers die after awhile.
Come to think of it, maybe it's better not to have a significant other on Valentine's Day. Regardless of whether or not you are alone on Valentine's Day, it is still a day that everyone can partake in. There are only about three really great holidays that bring the best out in people. Besides Flag Day and Arbor Day, Valentine's Day is the biggest reminder that we all are, in some way, just looking for a little lovin' sometimes.