Personalize it with inside jokes and shared memories to make it unique and heartfelt.
Include a handwritten poem or quote that holds special meaning for both of you.
Use beautiful stationery or paper to add a touch of elegance and make your letter visually appealing.
Spritz the letter with your signature scent or a hint of your cologne/perfume for a sensory touch.
Add a small keepsake like a pressed flower or a photo to create a lasting memento of your love.
Seal the envelope with a wax stamp or a personalized sticker for an extra touch of romance and mystery.