Hi,
He loves you more then you will ever know. I was that kid when my mom adopted me twenty-three years ago. I wasn't has aggressive as your son but I wasn't far from it. I was six when i was adopted and all trust in anyone had been gone from me. I thought i lived in a world were everyone was against me no matter what they said. My mom tried everything and gave me everything, but it was never enough. Not until I was in my late twenties did I stop blaming my life on my past and began to unterstand that the things that happened in my life when I was young was not my fault and that everyone in my life wasn't out to hurt me. I still deal with learning to trust and deal with people it isn't an easy process. Your son will come around eventually but even though you are trying to help him you may be only hindering him. At some point in his life he has to unterstand that his past is his past. He has to feel the love from others and not just hear it. I love my mother more then anything in the world today even though she adopted she is the only mother i know. Your son is probably so afraid of letting someone in that aggression is his defense mechaism. Continue to pray and fast only God can handle him sometimes all God wants is for us to let a situation go so He can work it out.
