Originally Posted by White[Pony]

Someone definitely needs to be told about this. I mean, I know it was something told to you in confidence by the kid, but this is pretty self destructive stuff if someone in her family doesn't talk about it with her. I mean, some people really do take a nosedive after stuff like this happens to them.

Is the dad not in the picture? In any case, I'd suggest talking to the mom and not the sister. It's better to let her mom know the story so at the very least someone can talk to the kid. It'd be a small price to pay, having the sis mad at you, to make sure the youngin turns out alright.