I apologize, too, for the times I co-opted your triumphs. Perhaps this is true of all parents, but one of my greatest mistakes as a mother was to. I'm so emotional just writing this as my son, the one who made me a mom, celebrates his high school graduation. It seems it was only yesterday. He is the ultimate parent, and His love is without compare. He would withhold nothing for you even his only child. I'm not sure you truly grasp the. Letter To My Son On His High School Graduation Day | Alpha Mom · A mother's letter to her son on his high school graduation day. · People also love these ideas.