During this year’s joyful Christmas with my precious family, I hoped my son would always feel his father’s love in his heart and that the boy in him would always remember it….just as my grandsons feel that love passed on to them....

However, curiosity got the best of me. I tore open the package and discovered a photo inside padded bubble wrap. I pulled out the photo and an attached letter. I read the letter first and then looked at the photo. When I returned to my...