Dave: I don't think that revealing what is on the cards will get you sued. Ideas like what was on the card can be found for free all over the Internet...like in The RoMANtic's Guide website.
Man, I know that feeling of frustration you had after your romantic night. I know it all too well. Unfortunately, I don't usually wake up to any gestures or words of apology. And I can totally identify with the preparation you did not to be bummed if nothing happened, and then feeling bummed anyway. It's natural.
I really liked the notes with the clues on them. You are doing everything right! As for her seeing if this just a flash in the pan for you, I bet if you stayed with the message board and saw all the other HD guys with their problems, you'd stay with it. Have a good trip and hurry home to your W!