Dear Soon-to-be Stepmom,  I see you over there, eyes bright and full of love and admiration for the new little family you have been asked to become a part of. I know how lucky you think you are to join them on this adventure called life and how special it feels to know that your husband chose you. And I am so happy for you. But mostly, my heart hurts for you. Because you are so oblivious to the pain and heartache that awaits you just around the corner. I want to protect you so badly. I want to warn you about all of it so that your tender heart…