I have a 4 year old and a 10 year old. My 4 year old wonderful little boy is having difficulty understanding why Mommy is different than everyone else. He keeps asking "when are you going to grow hair, real hair like mine?" "Why do you wear wigs?" I've tried explaining that mommy is special and I will never have hair like his. Anyone have any advice on this? He seems to be bothered that I am different. I want him to see that everyone is unique in their own way and that it is okay. He is only…