How To Write A Letter To Your Future Wife . Sample letter #4 dear wife, nothing can beat the feelings i have when we are together. Tell her about what you love and appreciate about her, and how she makes your life better. Bride Once Wrote a Letter to Her Future Husband—And Reads It at Wedding from www.theknotnews.com I will always love you with all my heart. I’m striving to become the best version of myself. Let this letter be a promise to you that i will do my best to be the man i want to be for you.