To cut a long story short, my adopted brother and bio sister finally met. When I confronted her about it (I left a voice message on her mobile as she was not answering her phone) she left me a message on facebook telling me that she knows what she did was wrong and she wont do it again BUT that she wants nothing more to do with me and not to get in touch her. Suprisingly, my adopted brother has kept a very low profile and haven't heard a thing