365 reasons why I love you jar. Both have their own jar and write once a day one thing they love about the other. On their anniversary/birthday/valentine's day/christmas/whatever the occasion, open the jar and read what the other person wrote
Alphabet of our Love mini book-Each letter of the alphabet was typed in a different font and color. I used my own handwriting for the explanation of what each letter of the alphabet stood for. What a great idea!