Hi Shan,
You've made a BIG step by being open to your wife about your desires. Your wife is supportive of you dressing up and going out shopping. You do not have to be closeted to cross-dress. I dress up on the weekends and go out and run errands. If you plan to start HRT, then you both would have to agree to marriage counseling to see if she willing to stay for the sake of your precious daughter.