I believe you should really think this through and look at it at both perspectives. i wouldn't want someone to still my baby when they told me i can have them. even if it was for free and it was a mistake. still they had her (female right?

) for a few months and may be attached. They also may not realized they are doing something wrong. everyone thinks differently.
I'm not saying to not get her back (please do) but go at it in a way that can help both of you......Just my 7cents and a quarter