Dear [Wife],
I wanted to take the time to write you this love letter to express the depths of my adoration and devotion for you. From the moment we met, I knew that you were my forever love and I am grateful to have you by my side.
You are my precious treasure, the one I cherish above all others. I am so thankful to have you as my soulmate and partner in life.
I love you more than words can express and will love you for eternity.
Yours always, [Your Name]