>>1 It is a day to express your love not only at all, but more than you normally do. It's a planned excuse day to shove an excess amount of it in their face, much like Christmas ends up being an excuse to get people a whole lot of presents all at once.
Don't question it like it's foolish, it's a damned holiday. Take it as is.
>>4 Realism and romanticism do not mix well. It's like trying to take symbolism at face value, you just don't do that unless you're deliberately trying to make something sound dumb.