"As a mother, I have absolutely no problem telling my child who he can and cannot hang out with. If I see someone who is a troublemaker who can possibly influence my son into taking part of any of his activities, you can bet I am telling my son to say goodbye! It is your job as her mother to make sure she is making the right choices in life. Once she becomes an adult she can do this on her own. But for now, she needs your guidance whether she agrees with it (now) or not. You need to think with your head here rather than your heart."