How do I handle friends' behaviour?

Theese 2 so called friend of yours have some serious problems. They vandalise your stuf, steal of you and totally disrespect you and others!! If I was you I would steer way clear of both of them If you have tried time again to talk to to them and tell them how you feel and they obviously take no notice they obviouslly dont care about you or your feelings or anyone elses for that matter.. If I was you I would look to find a new group of friends or you could maybe try talking to a few of the friends (the ones in your gruop that you dont want to leave behind) ask them if they in future would meet up with you alone as you are not happy how you are being treated of the self harmer and tha annorxic. Also I dont blame your mum for being angry because if 2 girls where doing that to my daughter I would be beyond furious 2 xx