Interesting in that your son struggles with Aspergers. This could also be something your birth mother struggles with, or perhaps your birth father that may have been a challenge to your mother and something that may have traumatized her that she wants to forget. It sounds like it's genetic, and could be a contributing factor to the response your birth mother gave you. The challenge with autism is not new, what is new is how it is being recognized and the effort to find ways to help individuals who struggle with it.