When my son was 3 years old his best friend (his sister my daughter) went to live with her dad in Texas. And my son has only seen her twice since then. I know when she left I saw a huge change in my son. He was a whole different child. The bond between the two of them was so close they did everything together. But I was wondering if there anyway that the tragedy of her leaving and not being able to see her could cause him to have signs and symptoms of ASD or Aspergers. I sit and I watch my son… read more