exactly what I found is if you lose thier trust theyre finnished, i had few pures and sal x with same problems, youve got to get her on her own for a start, generally start to bond with her, this may mean walking for hours and hours cos some wont even acknowledge your there until they tire a bit, my good bitch was scatty but more responsive once settled (tired) and she would only come to within 10ft of me before standing still until I walked to her, this went on for about a year, as she matured she 'got used to me' once she realised when she listened to me she had fun chasing she changed for