I don't have a lot to say. But simply this:

Hold your head high. You are succeeding for you and your D3, and that is what matters. You can't control your WW, you can only control your actions and your thoughts, and so far, your actions have been only what could be expected. Stop second-guessing yourself, and remember that living is trial and error. Keep moving forward, and give your daughter the strength she will need to do the same.