Looks like a little time has passed so you may not need the info anymore, but -- if I understand GA law correctly, if your daughter is 14 she can decide for herself. My lawyer has mentioned that the only way you can prevent it is if you can prove there are drugs, abuse, or other factors associated with dad that would endanger your daughter's welfare. Quite honestly, if I were in your shoes I would simply suggest a trial period for her to live with dad, after which you and she can discuss how it's going and what the next step should be. Your description of dad suggests he is not a strong parent, and IMHO kids figure out pretty quickly that even if dad is a pushover and there are no rules, there also won't be the benefits of having a "good" parent, either -- family atmosphere, meals, support, affection, protection, care, assistance with problems, etc. One other note, if the temporary change goes well and she is happy and doing well in school -- tough as it may be -- I would suggest simply letting her live there and supporting her in whatever way you can so that you can maintain a good relationship with her. In that case, I don't think you'd win in court plus you run the risk of alienating your daughter.