I agree with crow_noir. There is both good and bad in the owners complaining to you about Roxy's behavior. I know it is bothering you because you feel responsible for Roxy and for her being in that home, but part of my advice is not to take the complaints so personally and continue working with her. I remember the first few months (probably three or four) with both of my girls (RB girl and Ginger) were very difficult. It was an adjustment period for both them and for me, too. I spent a lot of time complaining to my sister about their behavior and threatening to kick them out. When I complained about Ginger, my sister reminded me that Peaches wasn't always the perfect dog that lives in my memory ( , of course she was ). And neither of my girls had really bad backgrounds to overcome. So just letting Roxy's new owner vent to someone about the problems and to keep working with her on improving the problems may be just what she needs until that bond builds. In the meantime, it probably wouldn't be a bad idea to make some inquiries and contacts with possible new owners, just to make sure that you are prepared if the owner gives up completely. How long has Roxy been in her new home? Roxy is very lucky to have an advocate like you on her side.