The moment I saw you I realized: you are the one. Everything about you screams “perfect”, and I know that you are the most unique and special person I have ever met. Your extraordinary personality and spectacular mind make me melt. I love you so much, can’t wait to see you.
This one will take some research or the help of a friend, but will be well worth the results. When you are looking for an out of this world romantic way to tell your lover just how you feel, write down exactly what is in your heart and have it translated into a language that you're certain they don't understand. Do not tell them what language it is, just that once they translate the letter they will have a big surprise.