Dear [insert name here],
Happy Valentine's Day, [nickname of choice]. It's been [duration of time since first date/wedding day/emergency appendectomy that caused us to meet], and it's still so wonderful to wake up every morning and know that I'm [married/dating/engaged to/sleeping with on the side] the greatest [gender of choice] in the world. I couldn't be happier. You're the best, and I wonder every day what I did to deserve you. I may never find out. I hope you enjoy the [box of chocolates/roses/Vermont Teddy Bear/pregnancy test]... it's only a small token of the love I feel for you.
Cordially, with love,
[insert name here]
P.S. I even found a way to include our song in this card. Right-click and save as, and you can listen to it over and over and think of me every time, just as I think of you every time I hear it.
Ben Folds Five - "Song for the Dumped"