How To Write A Memory Letter For Wedding . Mention your reasons for saying. Here’s to a truly amazing couple and to a marriage filled with every happiness.” Memorial Service Invitation Template Best Of 39 Best Funeral Rec from www.pinterest.com Always be kind, gentle and patient and polite with one another and your children. Here's a sample of what to include in that letter to your bride or groom on the wedding day, “i love how you always protect me—even if it’s from a spider while i’m in the shower!” or “you’ve been my rock during difficult times and i am so grateful to you for that.” tell a story “best wishes to you on this wonderful journey!”.