The context of the following conversation is Casey was always a hard person to please, she never gave Cameron credit for the good things he did.:
Cameron says I tried so hard to please Casey..
The friend responds I don't think she appreciates you..
Cameron responds She has never given me any credit on the things I have done for her..
The friend responds I know how you feel..
Cameron responds I guess she doesn't care for me at all..
The friend responds It's her loss..