J.R.
At twelve years old, yes your stepdaughter knows, but that doesn't mean she is motivated or that she doesn't thoroughly enjoy the opportunity to get at the junk food. Although I am health-conscious most of the time, I know I enjoy that opportunity when I think I can get away with it. (Those times are coming less and less the older I get!) The fact is that you cannot do anything about what happens at her mom's house, and you really cannot do anything at all unless your stepdaughter wants your help in this area. She can get to food if she wants it. A cardinal rule of life is that we cannot change other people; we can only change ourselves and how we relate to them, and maybe that will help them feel that we are their ally in change. So maybe the first step is to give up trying to control the situation. Talk to your stepdaughter and tell her that you realize that her food choices are HER food choices and that you will respect her in that area. As her stepmom, though, you are still going to help her by not keeping tempting foods around the house all the time, but she will not be under your judgment or condemnation for choosing differently elsewhere. She needs to feel that someone is on her side! If she is beginning to have health problems because of her weight, it is obvious to her that her mom is not doing the best thing for her in this area, even if she takes advantage of it. Aside from being the meal and activities director of your own home, how would you treat a friend who was severely overweight? Would that person be your friend for long if you treated them how you treat your stepdaughter? I know that you do it because you love her, but sometimes our natural reactions are not the most helpful thing we can do. I personally feel that it is wrong to have a 12-yr-old (or anyone else, for that matter) "on a diet." What we need, rather than to be ON a diet (or off a diet) is to CHANGE our diet. If our normal diet is good, and we are in good habits, then occasional splurges will not sabotage our whole life because when the unusual situation is over we go back to our good habits. Maybe, after your stepdaughter feels you are on her side, you could ask her what ONE thing she would like to and feels that she could change about her eating habits. Help her and encourage her to do that without being negative about the failures until she has success. Or if she completely fails at that, suggest another, even tinier step that she could have success with. If she pushes you away entirely about the matter, tell her you are so sorry she has to go through this and that you'll back off until she is ready. Although she is only twelve, in this respect she is much like one of your adult children in the sense that you cannot make this decision for her and nagging her will only push her away. I'm sorry if this seemed harsh or judgmental of you. Like I said, I know you are trying to do what is best for her! Blessings on your efforts to have a healthy family.